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CVE-2026-55775

🗓️ 15 Sep 2026 15:40:32Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 70 Views🌐 WEB

OpenBao pre-2.5.5 ACL bypass in namespace canonicalization allows cross-namespace operations.

Related
Detection
Affected
Refs
Paths
Vulners
Node
openbaoopenbaoRange<2.5.5
[
  {
    "vendor": "openbao",
    "product": "openbao",
    "versions": [
      {
        "version": "< 2.5.5",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
X-Vault-Namespacepath/sys/namespaces/rootIn OpenBao versions prior to 2.5.5, the /sys/namespaces/root endpoint fails to properly canonicalize the 'root' path before ACL checks. This allows users with permissions on a non-root namespace to perform lookups, deletions, or metadata changes on the system backend's containing namespace.CWE-285

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25 Sep 2026 14:23Current
6.9Medium risk
Vulners AI Score6.9
CVSS 42.3
EPSS0.00484
SSVC
70