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CVE-2026-42882

🗓️ 11 May 2026 19:26:44Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 43 Views🌐 WEB

Authentication bypass in s3-proxy before 5.0.0 allows unauthorized access to protected namespaces via path tricks.

Related
Affected
Refs
Paths
[
  {
    "vendor": "oxyno-zeta",
    "product": "s3-proxy",
    "versions": [
      {
        "version": "< 5.0.0",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
pathpath/open/foo/drafts/../restricted/Path traversal via * patterns matching across path separators to reach protected routes.CWE-22, CWE-863
pathpath/%2FAuthentication bypass using percent-encoded slashes (%2F) to collapse path segments at the auth layer while resolving to protected namespaces at the storage layer.CWE-22, CWE-863

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17 Jun 2026 10:48Current
8.3High risk
Vulners AI Score8.3
CVSS 3.19.4
EPSS0.00719
SSVC
43