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CVE-2026-115365

OpenBao 2.3.0 before 2.6.3 Incorrect Authorization via Policy Cache Namespace Traversal

MEDIUM
6.6
CVSS Score
Published: October 22, 2026 at 07:13 PM UTC
Updated: October 23, 2026 at 02:20 PM UTC
1 product affected across 1 vendorOpenbao

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Severity
MEDIUM6.6
Exploit prediction
EPSS 0.3%

Description

OpenBao from 2.3.0 before 2.6.3 contains an incorrect authorization vulnerability in its ACL policy cache that allows tokens to reference policies from arbitrary namespaces using specially crafted policy names. Attackers holding such tokens can gain capabilities of cached policies in other namespaces, including the root namespace, to act across namespace boundaries.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Openbao· Openbao
90%
2.3.0
Vendor states this is fixed in 2.6.3 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory
Source: cverecord
https://github.com/openbao/openbao/security/advisories/GHSA-mjch-vcw3-hhmf
Third Party Advisory
Source: cverecord
https://www.vulncheck.com/advisories/openbao-2.3.0-before-2.6.3-incorrect-authorization-via-policy-cache-namespace-traversal

CVSS

6.6MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
HIGH
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-863

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