{"schemaVersion":3,"id":"CVE-2026-9079","aliases":["ALPINE-CVE-2026-9079","UBUNTU-CVE-2026-9079","DEBIAN-CVE-2026-9079","CGA-27cv-fwvq-qqr4","CGA-42qg-ffrf-rrpx","CGA-453g-2826-9g38","CGA-4r9h-j3qh-39jw","CGA-5m89-48h7-2774","CGA-6wxj-677q-jgp4","CGA-736w-6c4c-38f4","CGA-7pf8-hv3j-7g6p","CGA-93wr-3mp5-p3p8","CGA-9xjp-hc4r-mvvw","CGA-c37g-m66h-4979","CGA-cjcv-22fc-wpj7","CGA-ff95-pv57-hp76","CGA-fp8v-j2m4-p6xp","CGA-h3w2-c9pp-f44x","CGA-pp94-795v-fgm6","CGA-qh3x-498f-86jv","CGA-qpgh-9wxr-49vm","CGA-rgm5-m4g7-hhwp","CGA-vjj2-3434-r49f"],"status":"published","duplicateOf":null,"title":null,"description":"libcurl had a flaw that when instructed to clear proxy authentication\ncredentials which made it not do so, leaving the old credentials around to get\nused for subsequent transfers that should not know nor use them.","dates":{"published":"2026-07-03T06:16:51.127Z","modified":"2026-09-15T06:03:28.741Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.8,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Alpine","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":10,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":10,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":10,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Chainguard","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":10,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00584,"percentile":0.47144,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.00584},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01064,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01064,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00584,"percentile":0.47144}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00584,"percentile":0.47144}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"REF_F94D449236EA1B19","name":"Exploit Reference (hackerone.com)","source":"reference","url":"https://hackerone.com/reports/3750295","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-522","name":"Insufficiently Protected Credentials","description":"The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.","type":"weakness","status":"Incomplete","abstraction":"Class","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/522.html"}],"affected":[{"vendor":"alpine","product":"curl","name":"curl","label":"curl","ecosystem":"Alpine Linux","cpePart":null,"purl":"pkg:apk/alpine/curl","purlType":"apk","versions":[{"text":"≥ 8.8.0, < 8.22.0-r0","noFixRecorded":false,"fixedIn":null},{"text":"≥ 8.8.0, < 8.21.0-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 8.8.0, < 8.22.0-r0 | ≥ 8.8.0, < 8.21.0-r0","eol":null,"hubHref":null},{"vendor":"chainguard","product":"eco-python-curl","name":"eco-python-curl","label":"eco-python-curl","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/eco-python-curl","purlType":"apk","versions":[{"text":"< 8.21.0-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 8.21.0-r0","eol":null,"hubHref":null},{"vendor":"chainguard","product":"eco-python-curl-minimal","name":"eco-python-curl-minimal","label":"eco-python-curl-minimal","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/eco-python-curl-minimal","purlType":"apk","versions":[{"text":"< 8.21.0-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 8.21.0-r0","eol":null,"hubHref":null},{"vendor":"chainguard","product":"eco-python-curl-minimal-bin","name":"eco-python-curl-minimal-bin","label":"eco-python-curl-minimal-bin","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/eco-python-curl-minimal-bin","purlType":"apk","versions":[{"text":"< 8.21.0-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 8.21.0-r0","eol":null,"hubHref":null},{"vendor":"chainguard","product":"eco-python-curl-minimal-dev","name":"eco-python-curl-minimal-dev","label":"eco-python-curl-minimal-dev","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/eco-python-curl-minimal-dev","purlType":"apk","versions":[{"text":"< 8.21.0-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 8.21.0-r0","eol":null,"hubHref":null},{"vendor":"chainguard","product":"eco-python-curl-minimal-doc","name":"eco-python-curl-minimal-doc","label":"eco-python-curl-minimal-doc","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/eco-python-curl-minimal-doc","purlType":"apk","versions":[{"text":"< 8.21.0-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 8.21.0-r0","eol":null,"hubHref":null},{"vendor":"chainguard","product":"eco-python-curl-minimal-static","name":"eco-python-curl-minimal-static","label":"eco-python-curl-minimal-static","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/eco-python-curl-minimal-static","purlType":"apk","versions":[{"text":"< 8.21.0-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 8.21.0-r0","eol":null,"hubHref":null},{"vendor":"chainguard","product":"eco-python-curl-nghttp2","name":"eco-python-curl-nghttp2","label":"eco-python-curl-nghttp2","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/eco-python-curl-nghttp2","purlType":"apk","versions":[{"text":"< 8.21.0-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 8.21.0-r0","eol":null,"hubHref":null},{"vendor":"chainguard","product":"eco-python-curl-nghttp2-bin","name":"eco-python-curl-nghttp2-bin","label":"eco-python-curl-nghttp2-bin","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/eco-python-curl-nghttp2-bin","purlType":"apk","versions":[{"text":"< 8.21.0-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 8.21.0-r0","eol":null,"hubHref":null},{"vendor":"chainguard","product":"eco-python-curl-nghttp2-dev","name":"eco-python-curl-nghttp2-dev","label":"eco-python-curl-nghttp2-dev","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/eco-python-curl-nghttp2-dev","purlType":"apk","versions":[{"text":"< 8.21.0-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 8.21.0-r0","eol":null,"hubHref":null},{"vendor":"chainguard","product":"eco-python-curl-nghttp2-static","name":"eco-python-curl-nghttp2-static","label":"eco-python-curl-nghttp2-static","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/eco-python-curl-nghttp2-static","purlType":"apk","versions":[{"text":"< 8.21.0-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 8.21.0-r0","eol":null,"hubHref":null},{"vendor":"curl","product":"curl","name":"curl","label":"curl","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 8.8.0, < 8.14.2","noFixRecorded":false,"fixedIn":null},{"text":"≥ 8.15.0, < 8.16.1","noFixRecorded":false,"fixedIn":null},{"text":"≥ 8.17.0, < 8.20.1","noFixRecorded":false,"fixedIn":null},{"text":"≥ d5e83eb745762f48d8fafadc5df5dd3ae8d8941e, < 88c7e16cceec816a2df45c899d49b1e85513f193","noFixRecorded":false,"fixedIn":null},{"text":"8.20.0","noFixRecorded":false,"fixedIn":null},{"text":"8.19.0","noFixRecorded":false,"fixedIn":null},{"text":"8.18.0","noFixRecorded":false,"fixedIn":null},{"text":"8.17.0","noFixRecorded":false,"fixedIn":null},{"text":"8.16.0","noFixRecorded":false,"fixedIn":null},{"text":"8.15.0","noFixRecorded":false,"fixedIn":null},{"text":"8.14.1","noFixRecorded":false,"fixedIn":null},{"text":"8.14.0","noFixRecorded":false,"fixedIn":null},{"text":"8.13.0","noFixRecorded":false,"fixedIn":null},{"text":"8.12.1","noFixRecorded":false,"fixedIn":null},{"text":"8.12.0","noFixRecorded":false,"fixedIn":null},{"text":"8.11.1","noFixRecorded":false,"fixedIn":null},{"text":"8.11.0","noFixRecorded":false,"fixedIn":null},{"text":"8.10.1","noFixRecorded":false,"fixedIn":null},{"text":"8.10.0","noFixRecorded":false,"fixedIn":null},{"text":"8.9.1","noFixRecorded":false,"fixedIn":null},{"text":"8.9.0","noFixRecorded":false,"fixedIn":null},{"text":"8.8.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 8.8.0, < 8.14.2 | ≥ 8.15.0, < 8.16.1 | ≥ 8.17.0, < 8.20.1 | ≥ d5e83eb745762f48d8fafadc5df5dd3ae8d8941e, < 88c7e16cceec816a2df45c899d49b1e85513f193 | 8.20.0 | 8.19.0 | 8.18.0 | 8.17.0 | 8.16.0 | 8.15.0 | 8.14.1 | 8.14.0 | 8.13.0 | 8.12.1 | 8.12.0 | 8.11.1 | 8.11.0 | 8.10.1 | 8.10.0 | 8.9.1 | 8.9.0 | 8.8.0","eol":null,"hubHref":"/vendor/curl/curl"},{"vendor":"debian","product":"curl","name":"curl","label":"curl","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/curl","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null},{"text":"< 8.21.0~rc2-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"All versions (No fix recorded) | < 8.21.0~rc2-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"curl","name":"curl","label":"curl","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/curl","purlType":"deb","versions":[{"text":"< 8.14.1-2ubuntu1.4","noFixRecorded":false,"fixedIn":null},{"text":"< 8.18.0-1ubuntu2.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 8.14.1-2ubuntu1.4 | < 8.18.0-1ubuntu2.2","eol":null,"hubHref":null},{"vendor":"haxx","product":"curl","name":"curl","label":"curl","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 8.8.0, < 8.21.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 8.8.0, < 8.21.0","eol":null,"hubHref":"/vendor/haxx/curl"}],"affectedCount":15,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://curl.se/docs/CVE-2026-9079.json","label":"curl.se/docs/CVE-2026-9079.json","hostname":"curl.se","tags":["WEB","Vendor Advisory"]},{"url":"https://curl.se/docs/CVE-2026-9079.html","label":"curl.se/docs/CVE-2026-9079.html","hostname":"curl.se","tags":["WEB","Patch","Vendor Advisory"]},{"url":"https://hackerone.com/reports/3750295","label":"hackerone.com/reports/3750295","hostname":"hackerone.com","tags":["WEB","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://security.alpinelinux.org/vuln/CVE-2026-9079","label":"security.alpinelinux.org/vuln/CVE-2026-9079","hostname":"security.alpinelinux.org","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-9079","label":"ubuntu.com/security/CVE-2026-9079","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-9079","label":"www.cve.org/CVERecord?id=CVE-2026-9079","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://curl.se/L7HzKXisfJ/CVE-2026-9079.md","label":"curl.se/L7HzKXisfJ/CVE-2026-9079.md","hostname":"curl.se","tags":["REPORT"]},{"url":"https://ubuntu.com/security/notices/USN-8487-1","label":"ubuntu.com/security/notices/USN-8487-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-9079","label":"security-tracker.debian.org/tracker/CVE-2026-9079","hostname":"security-tracker.debian.org","tags":["Advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/9xxx/CVE-2026-9079.json","label":"github.com/CVEProject/cvelistV5/tree/main/cves/2026/9xxx/CVE-2026-9079.json","hostname":"github.com","tags":["Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9079","label":"nvd.nist.gov/vuln/detail/CVE-2026-9079","hostname":"nvd.nist.gov","tags":["Advisory","Oval"]}],"lineage":{"upstream":[],"downstream":["OPENSUSE-SU-2026:11230-1","OPENSUSE-SU-2026:21272-1","RHSA-2026:29017","RHSA-2026:34975","RHSA-2026:69125","RHSA-2026:72506","SUSE-SU-2026:22553-1","SUSE-SU-2026:22582-1","SUSE-SU-2026:22709-1","SUSE-SU-2026:22889-1","SUSE-SU-2026:2925-1","SUSE-SU-2026:2926-1","SUSE-SU-2026:3043-1"],"duplicates":[],"related":["CGA-XPH3-2QPH-H3P3","OPENSUSE-SU-2026:11230-1","OPENSUSE-SU-2026:21272-1","SUSE-SU-2026:22553-1","SUSE-SU-2026:22582-1","SUSE-SU-2026:22709-1","SUSE-SU-2026:22889-1","SUSE-SU-2026:2925-1","SUSE-SU-2026:2926-1","SUSE-SU-2026:3043-1","USN-8487-1"]},"timeline":[{"kind":"published","date":"2026-07-03T06:16:51.127Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-09-15T06:03:28.741Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T15:57:56.045Z","stale":false,"partial":false}}