CVE-2026-42882
critical
CVSS v3
9.4
CVSS v4 NEW
—
VIR risk
9.4
Description
S3-Proxy has Security Issues in its Resource Path Matching Implementation
Predictions
Exploit likelihood
95%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/oxyno-zeta/s3-proxy | <0.0.0-20260424211602-1320e4abd46a | 0.0.0-20260424211602-1320e4abd46a |
| GO | github.com/oxyno-zeta/s3-proxy | < 0.0.0-20260424211602-1320e4abd46a | 0.0.0-20260424211602-1320e4abd46a |
References
- https://github.com/oxyno-zeta/s3-proxy/commit/1320e4abd46ad18c2851fedde50dbb79df8b7a51
- https://github.com/oxyno-zeta/s3-proxy/commit/af5ff57d8c6022459495b8fb50130073bca7b48a
- https://github.com/oxyno-zeta/s3-proxy/security/advisories/GHSA-rfgq-wgg8-662p
- https://nvd.nist.gov/vuln/detail/CVE-2026-42882
- https://github.com/oxyno-zeta/s3-proxy
- https://github.com/advisories/GHSA-rfgq-wgg8-662p
CWEs
CWE-22 CWE-863
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.