All vulnerabilities
CVE-2026-115364GHSA-8gmq-wv9h-fcwp

OpenBao before 2.6.3 Missing Header Check on Agent/Proxy Quit Endpoints

openbao openbao
Open in ThreatlineRecord JSON
CVSS
2.1Low
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.26%Chance of exploitation activity in the next 30 days, higher than 16% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in2.6.3Fixed versionCVE List
Published22 Oct 2026Updated 23 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

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.

Text from CVE List

Affected versions 2

  • openbaoaffected: all versions before 2.6.3CVE List
  • openbaounaffected: 2.6.3CVE List

References 2