In short
- CVE-2026-63131 is a MEDIUM (CVSS 6.0) vulnerability affecting github.com/openbao/openbao.
- Chance of exploitation in the next 30 days (EPSS): 0.48%, higher than 41.7% of all vulnerabilities.
- Fix: update to 0.0.0-20260713133043-f58d848c139e or later.
| Package | Affected versions | Patched versions |
|---|
| github.com/openbao/openbao Go | ≥ 0.1.0, ≤ 1.1.5≥ 0.1.0< 0.0.0-20260713133043-f58d848c139e
| 0.0.0-20260713133043-f58d848c139e
|
Description
Impact
When a policy operator has written capabilities = ["deny"] on a path with a trailing wildcard but allowed a broader list operation (e.g., a deny on secrets/metadata/restricted/* but allowed list on secrets/metadata/*), OpenBao would incorrectly allow the operation. This did not impact other operation types.
Patches
This has been patched in OpenBao v2.6.0.
NVD description
OpenBao is an open source identity-based secrets management system. Prior to 2.6.0, OpenBao's vault/policy/acl.go could evaluate a broader wildcard ACL grant before more-specific trailing-wildcard ACL paths with capabilities = ["deny"] for a LIST operation. When a parent path permitted LIST and a child path was denied, the trailing-slash lookup could therefore allow listing the denied path. Other operation types are outside the repository advisory's affected scope. This issue is fixed in version 2.6.0.
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