CVE Explorer
CVE-2026-41145
MinIO is a high-performance object storage system. Starting in RELEASE.2023-05-18T00-05-36Z and prior to RELEASE.2026-04-11T03-20-12Z, an authentication bypass vulnerability in MinIO's `STREAMING-UNSIGNED-PAYLOAD-TRAILER` code path
allows any user who knows a valid access key to write arbitrary objects to any bucket without knowing the secret key or providing a valid cryptographic signature. Any MinIO deployment is impacted. The attack requires only a valid access key (the well-known default `mi
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"minio","vendor":"minio","versions":[{"status":"affected","version":">= RELEASE.2023-05-18T00-05-36Z, < RELEASE.2026-04-11T03-20-12Z"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:313e5e83dc606b8ccfcef82e30a0045a69f9d9fde54e6678f3ec4cc46a0873a6 · sha256:c81ccb06ee04934f… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.8,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:313e5e83dc606b8ccfcef82e30a0045a69f9d9fde54e6678f3ec4cc46a0873a6 · sha256:c81ccb06ee04934f… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-287","description":"CWE-287: Improper Authentication","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:313e5e83dc606b8ccfcef82e30a0045a69f9d9fde54e6678f3ec4cc46a0873a6 · sha256:c81ccb06ee04934f… · /containers/cna/problemTypes/0/descriptions/0
Source references
3 source assertions{"name":"https://github.com/minio/minio/commit/76913a9fd5c6e5c2dbd4e8c7faf56ed9e9e24091","tags":["x_refsource_MISC"],"url":"https://github.com/minio/minio/commit/76913a9fd5c6e5c2dbd4e8c7faf56ed9e9e24091"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:313e5e83dc606b8ccfcef82e30a0045a69f9d9fde54e6678f3ec4cc46a0873a6 · sha256:c81ccb06ee04934f… · /containers/cna/references/2
{"name":"https://github.com/minio/minio/pull/16484","tags":["x_refsource_MISC"],"url":"https://github.com/minio/minio/pull/16484"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:313e5e83dc606b8ccfcef82e30a0045a69f9d9fde54e6678f3ec4cc46a0873a6 · sha256:c81ccb06ee04934f… · /containers/cna/references/1
{"name":"https://github.com/minio/minio/security/advisories/GHSA-hv4r-mvr4-25vw","tags":["x_refsource_CONFIRM"],"url":"https://github.com/minio/minio/security/advisories/GHSA-hv4r-mvr4-25vw"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:313e5e83dc606b8ccfcef82e30a0045a69f9d9fde54e6678f3ec4cc46a0873a6 · sha256:c81ccb06ee04934f… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.