Advisories

OpenBao before 2.6.3 ACL Bypass via Dropped Templated Policy Denial

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Severity
low
Date
Affecting
  • openbao >= 0, < 2.6.3

CWE
  • CWE-863 Incorrect Authorization
CVSS
2.1
CVSS V4 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
Credit
zer0d4y5, cipherboy
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.

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