What is CVE-2026-115364?

CVE-2026-115364 is a low-severity vulnerability in Openbao, classified under Missing Authorization. CVSS score: 2.2/10. Published 2026-10-22.

How severe is CVE-2026-115364?

Low severity. CVSS v3 base score is 2.2 out of 10.

Auth bypass in Openbao

CVE-2026-115364

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.

Vulnerability class: Broken Access Control

Published 2026-10-22.

CVSS v3 metric

CVSS v3 base score 2.2 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Openbao

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

github.com/openbao/openbao/security/advisories/GHSA-8gmq-wv9h-fcwp (vendor-advisory)
www.vulncheck.com/advisories/openbao-before-2.6.3-missing-header-check-on-agent… (third-party-advisory)

Frequently asked questions

What is CVE-2026-115364?: CVE-2026-115364 is a low-severity vulnerability in Openbao, classified under Missing Authorization. CVSS score: 2.2/10. Published 2026-10-22.
How severe is CVE-2026-115364?: Low severity. CVSS v3 base score is 2.2 out of 10.