{"schemaVersion":3,"id":"CVE-2025-31489","aliases":["GHSA-wg47-6jq2-q2hh","GO-2025-3594"],"status":"published","duplicateOf":null,"title":null,"description":"MinIO is a High Performance Object Storage released under GNU Affero General Public License v3.0. The signature component of the authorization may be invalid, which would mean that as a client you can use any arbitrary secret to upload objects given the user already has prior WRITE permissions on the bucket. Prior knowledge of access-key, and bucket name this user might have access\nto - and an access-key with a WRITE permissions is necessary. However with relevant information in place, uploading random objects to buckets is trivial and easy via curl. This issue is fixed in RELEASE.2025-04-03T14-56-28Z.","dates":{"published":"2025-04-03T19:36:09.335Z","modified":"2025-04-03T20:36:19.079Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.7,"severity":"high","version":"4.0","versionLabel":"v4.0","source":"CVE.org","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"CVE.org","score":8.7,"severity":"high","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"OSV · Go","score":8.7,"severity":"high","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","exploitability":null,"impact":null,"computed":true},{"version":"4.0","versionLabel":"v4.0","source":"NVD","score":8.7,"severity":"high","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.0247,"percentile":0.84387,"severity":"low","asOf":"2026-10-22T00:00:00.000Z","change":{"pp":0.04200000000000002,"baselineDate":"2026-09-22T00:00:00.000Z","baselineScore":0.02428},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.0247,"percentile":0.84387}],"last30":[{"date":"2026-09-22T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02428,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.0247,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.0247,"percentile":0.84387}]},"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-347","name":"Improper Verification of Cryptographic Signature","description":"The product does not verify, or incorrectly verifies, the cryptographic signature for data.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/347.html"}],"affected":[{"vendor":"github.com/minio","product":"minio","name":"github.com/minio/minio","label":"minio","ecosystem":"Go","cpePart":null,"purl":"pkg:golang/github.com/minio/minio","purlType":"golang","versions":[{"text":"< 0.0.0-20250403145552-8c70975283f9","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.0.0-20250403145552-8c70975283f9","eol":null,"hubHref":null},{"vendor":"minio","product":"minio","name":"MinIO","label":"minio","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< RELEASE.2025-04-03T14-56-28Z","noFixRecorded":false,"fixedIn":null}],"versionsText":"< RELEASE.2025-04-03T14-56-28Z","eol":null,"hubHref":"/vendor/minio/minio"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://github.com/minio/minio/security/advisories/GHSA-wg47-6jq2-q2hh","label":"github.com/minio/minio/security/advisories/GHSA-wg47-6jq2-q2hh","hostname":"github.com","tags":["X Refsource CONFIRM","WEB","Advisory"]},{"url":"https://github.com/minio/minio/pull/21103","label":"github.com/minio/minio/pull/21103","hostname":"github.com","tags":["X Refsource MISC","WEB","FIX"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-31489","label":"nvd.nist.gov/vuln/detail/CVE-2025-31489","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://github.com/minio/minio/commit/8c70975283f9f4ce80f331a25c7475a36279e519","label":"github.com/minio/minio/commit/8c70975283f9f4ce80f331a25c7475a36279e519","hostname":"github.com","tags":["WEB","FIX"]},{"url":"https://github.com/minio/minio","label":"github.com/minio/minio","hostname":"github.com","tags":["PACKAGE"]}],"lineage":{"upstream":[],"downstream":["OPENSUSE-SU-2025:14982-1"],"duplicates":[],"related":["CGA-C9V9-H7QX-39W7","OPENSUSE-SU-2025:14982-1"]},"timeline":[{"kind":"published","date":"2025-04-03T19:36:09.335Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2025-04-03T20:36:19.079Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":35,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T16:08:49.515Z","stale":false,"partial":false}}