CVE-2026-115361

OpenBao before 2.6.3 ACL Bypass via Dropped Templated Policy Denial

Published Oct 22, 2026 CVSS 4.0 · 2.1 Low EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title OpenBao before 2.6.3 ACL Bypass via Dropped Templated Policy Denial
First Time appeared Openbao
Openbao openbao
Weaknesses CWE-863
CPEs cpe:2.3:a:openbao:openbao:*:*:*:*:*:*:*:*
Vendors & Products Openbao
Openbao openbao
References
Metrics cvssV3_1

{'score': 4.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L'}

cvssV4_0

{'score': 2.1, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 4, 2026, 7:33 PM
Reserved
Oct 22, 2026, 11:21 AM
Status
Deferred
Published
Oct 22, 2026, 7:17 PM
Modified
Nov 4, 2026, 8:19 PM
Severity
Moderate
Public date
Oct 22, 2026, 7:13 PM