What is CVE-2026-34512?

CVE-2026-34512 is a high-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-04-09.

How severe is CVE-2026-34512?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Openclaw

CVE-2026-34512

OpenClaw before 2026.3.25 contains an improper access control vulnerability in the HTTP /sessions/:sessionKey/kill route that allows any bearer-authenticated user to invoke admin-level session termination functions without proper scope validation. Attackers can exploit this by sending authenticated requests to kill arbitrary subagent sessions via the killSubagentRunAdmin function, bypassing ownership and operator scope restrictions.

Vulnerability class: Broken Access Control

EPSS: 0.003 (27.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Openclaw — versions 0, 2026.3.25

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

disclosure@vulncheck.com (vendor-advisory, Vendor Advisory, third-party-advisory)
disclosure@vulncheck.com (Patch, patch)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-34512?: CVE-2026-34512 is a high-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-04-09.
How severe is CVE-2026-34512?: High severity. CVSS v3 base score is 8.1 out of 10.