What is CVE-2026-53862?

CVE-2026-53862 is a medium-severity vulnerability in Openclaw, classified under Incorrect Privilege Assignment. CVSS score: 4.2/10. Published 2026-06-16.

How severe is CVE-2026-53862?

Medium severity. CVSS v3 base score is 4.2 out of 10.

Privilege escalation in Openclaw

CVE-2026-53862

OpenClaw before 2026.5.12 contains a bootstrap token replay vulnerability allowing callers with pending token access to reuse tokens with broader requested scopes. Attackers can replay bootstrap tokens before approval to escalate pairing a…

EPSS: 0.001 (0.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

Openclaw — versions 0, 2026.5.12

Weakness classification (CWE)

CWE-266 — Incorrect Privilege Assignment
CWE-345 — Insufficient Verification of Data Authenticity

References

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

Frequently asked questions

What is CVE-2026-53862?: CVE-2026-53862 is a medium-severity vulnerability in Openclaw, classified under Incorrect Privilege Assignment. CVSS score: 4.2/10. Published 2026-06-16.
How severe is CVE-2026-53862?: Medium severity. CVSS v3 base score is 4.2 out of 10.