What is CVE-2026-53843?

CVE-2026-53843 is a high-severity vulnerability in Openclaw, classified under Insufficient Session Expiration. CVSS score: 8.8/10. Published 2026-06-16.

How severe is CVE-2026-53843?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Openclaw

CVE-2026-53843

OpenClaw before 2026.5.26 contains an authorization bypass vulnerability where a surviving pairing-scoped device session can re-establish node token authority after revocation. Attackers with a paired device can regain WebSocket node-level…

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Openclaw — versions 0, 2026.5.26

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-53843?: CVE-2026-53843 is a high-severity vulnerability in Openclaw, classified under Insufficient Session Expiration. CVSS score: 8.8/10. Published 2026-06-16.
How severe is CVE-2026-53843?: High severity. CVSS v3 base score is 8.8 out of 10.