{"schemaVersion":3,"id":"CVE-2026-25916","aliases":["UBUNTU-CVE-2026-25916","DEBIAN-CVE-2026-25916"],"status":"published","duplicateOf":null,"title":null,"description":"Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when \"Block remote images\" is used, does not block SVG feImage.","dates":{"published":"2026-02-09T08:14:10.177Z","modified":"2026-02-09T15:05:40.859Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":4.3,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":4.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":4.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","exploitability":7.2,"impact":2.3,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":4.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","exploitability":7.2,"impact":2.3,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":4.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00542,"percentile":0.44476,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":-0.11199999999999995,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00654},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00654,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00654,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00654,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00654,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00654,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00654,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00654,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00654,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00654,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00654,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00469,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00469,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00469,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00469,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00479,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00479,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00479,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00479,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00479,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00479,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00479,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00479,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00479,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00542,"percentile":0.44476}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00654,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00654,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00654,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00654,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00469,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00469,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00469,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00469,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00479,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00479,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00479,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00479,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00479,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00479,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00479,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00479,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00479,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00542,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00542,"percentile":0.44476}]},"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":[],"exploitCount":0,"weaknesses":[{"id":"CWE-420","name":"Unprotected Alternate Channel","description":"The product protects a primary channel, but it does not use the same level of protection for an alternate channel.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/420.html"}],"affected":[{"vendor":"debian","product":"roundcube","name":"roundcube","label":"roundcube","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/roundcube","purlType":"deb","versions":[{"text":"< 1.6.5+dfsg-1+deb12u7","noFixRecorded":false,"fixedIn":null},{"text":"< 1.6.13+dfsg-0+deb13u1","noFixRecorded":false,"fixedIn":null},{"text":"< 1.6.13+dfsg-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.6.5+dfsg-1+deb12u7 | < 1.6.13+dfsg-0+deb13u1 | < 1.6.13+dfsg-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"roundcube","name":"roundcube","label":"roundcube","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/roundcube","purlType":"deb","versions":[{"text":"< 1.3.6+dfsg.1-1ubuntu0.1~esm8","noFixRecorded":false,"fixedIn":null},{"text":"< 1.4.3+dfsg.1-1ubuntu0.1~esm8","noFixRecorded":false,"fixedIn":null},{"text":"< 1.5.0+dfsg.1-2ubuntu0.1~esm6","noFixRecorded":false,"fixedIn":null},{"text":"< 1.6.6+dfsg-2ubuntu0.1+esm3","noFixRecorded":false,"fixedIn":null},{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"< 1.3.6+dfsg.1-1ubuntu0.1~esm8 | < 1.4.3+dfsg.1-1ubuntu0.1~esm8 | < 1.5.0+dfsg.1-2ubuntu0.1~esm6 | < 1.6.6+dfsg-2ubuntu0.1+esm3 | All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"roundcube","product":"webmail","name":"Webmail","label":"webmail","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 1.5.13","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.6.0, < 1.6.13","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.5.13 | ≥ 1.6.0, < 1.6.13","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"roundcube","label":"Roundcube Webmail","category":"server-app"}},"hubHref":"/vendor/roundcube/webmail"}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://nullcathedral.com/posts/2026-02-08-roundcube-svg-feimage-remote-image-bypass/","label":"nullcathedral.com/posts/2026-02-08-roundcube-svg-feimage-remote-image-bypass/","hostname":"nullcathedral.com","tags":["REPORT"]},{"url":"https://github.com/roundcube/roundcubemail/commit/26d7677","label":"github.com/roundcube/roundcubemail/commit/26d7677","hostname":"github.com","tags":["REPORT"]},{"url":"https://news.ycombinator.com/item?id=46937012","label":"news.ycombinator.com/item?id=46937012","hostname":"news.ycombinator.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-25916","label":"ubuntu.com/security/CVE-2026-25916","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-25916","label":"www.cve.org/CVERecord?id=CVE-2026-25916","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://roundcube.net/news/2026/02/08/security-updates-1.6.13-and-1.5.13","label":"roundcube.net/news/2026/02/08/security-updates-1.6.13-and-1.5.13","hostname":"roundcube.net","tags":["REPORT"]},{"url":"https://ubuntu.com/security/notices/USN-8223-1","label":"ubuntu.com/security/notices/USN-8223-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-25916","label":"security-tracker.debian.org/tracker/CVE-2026-25916","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["DLA-4480-1","DSA-6137-1","MGASA-2026-0065","OPENSUSE-SU-2026:20323-1"],"duplicates":[],"related":["OPENSUSE-SU-2026:20323-1","USN-8223-1"]},"timeline":[{"kind":"published","date":"2026-02-09T08:14:10.177Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-02-09T15:05:40.859Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":17,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T06:49:09.951Z","stale":false,"partial":false}}