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Medium 4.1Published Oct 22, 2026

CVE-2026-115361OpenBao before 2.6.3 ACL Bypass via Dropped Templated Policy Denial

Updated under an hour ago ()

Does this affect you?

It affects openbao. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

OpenBao before 2.6.3 contains an ACL bypass vulnerability that silently drops explicit deny rules based on forbidden identity metadata templates within wildcard grants. Attackers whose identity metadata contains wildcard or path segments can access paths that should be denied within the broader wildcard-granted scope.

CVSS
4.1 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
Weakness (CWE)
CWE-863
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulnCheck
NVD analysis
Deferred
Record last updated
Oct 22, 2026
First seen by InfoSec Signals
Oct 22, 2026

Affected products

Affected products
openbao openbao
openbao:openbao (from the name)
before 2.6.3; 2.6.3 not affected
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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CVE-2026-115361: OpenBao before 2.6.3 ACL Bypass via Dropped Templated Policy Denial | InfoSec Signals