Incorrect Authorization in OpenBao Affects Multiple Product Versions
CVE-2026-115365

7.5HIGH

Key Information:

Vendor

Openbao

Status
Openbao
Vendor
CVE Published:
22 October 2026

What is CVE-2026-115365?

OpenBao, in versions prior to 2.6.3, has a vulnerability related to its ACL policy cache that permits attackers to manipulate authorization through crafted policy names. This flaw allows unauthorized tokens to access and utilize cached policies across different namespaces, potentially compromising critical capabilities within the root namespace. This vulnerability underscores the importance of robust access control measures to prevent namespace boundary violations.

Affected Version(s)

openbao 2.3.0 < 2.6.3

openbao 2.6.3

References

https://github.com/openbao/openbao/security/advisories/GH...
vendor-advisory
https://www.vulncheck.com/advisories/openbao-2.3.0-before...
third-party-advisory

CVSS V4

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Michael-JRead
satoqz
.