---
id: CVE-2026-115364
title: OpenBao before 2.6.3 Missing Header Check on Agent/Proxy Quit Endpoints
summary: >-
  OpenBao before 2.6.3 contains a missing authorization check that allows
  attackers to stop Agent and Proxy services by omitting the X-Vault-Header.
  When require_request_header is enabled, attackers can send requests via
  server-side reques…
severity: low
cvss: 2.2
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L'
cvssSource: cna
cwe:
  - CWE-862
vendor: openbao
product: openbao
affected:
  - openbao < 2.6.3
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-23T14:48:22.144861Z'
published: '2026-10-22'
updated: '2026-10-23'
sourceUpdated: '2026-10-23T15:02:16.016Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-115364'
references:
  - url: 'https://github.com/openbao/openbao/security/advisories/GHSA-8gmq-wv9h-fcwp'
    label: GitHub Security Advisory (GHSA-8gmq-wv9h-fcwp)
  - url: >-
      https://www.vulncheck.com/advisories/openbao-before-2.6.3-missing-header-check-on-agent-proxy-quit-endpoints
    label: >-
      VulnCheck Advisory: OpenBao before 2.6.3 Missing Header Check on
      Agent/Proxy Quit Endpoints
tags:
  - cve.org
epss: 0.00258
epssPercentile: 0.16495
ingestedAt: '2026-10-22T22:00:50.399Z'
---

## Overview

OpenBao before 2.6.3 contains a missing authorization check that allows attackers to stop Agent and Proxy services by omitting the X-Vault-Header. When require_request_header is enabled, attackers can send requests via server-side request forgery to /agent/v1/quit or /proxy/v1/quit to shut down these services.

## Affected

- `openbao < 2.6.3`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.