What is CVE-2026-44999?

CVE-2026-44999 is a medium-severity vulnerability in Openclaw, classified under Insufficient Verification of Data Authenticity. CVSS score: 5.3/10. Published 2026-05-11.

How severe is CVE-2026-44999?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Openclaw

CVE-2026-44999

OpenClaw before 2026.4.20 fails to properly preserve untrusted labels for isolated cron awareness events, allowing webhook-triggered cron agent output to be recorded as trusted system events. Attackers can exploit this trust-labeling issue…

EPSS: 0.000 (4.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Openclaw — versions 0, 2026.4.20

Weakness classification (CWE)

CWE-345 — Insufficient Verification of Data Authenticity

References

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

Frequently asked questions

What is CVE-2026-44999?: CVE-2026-44999 is a medium-severity vulnerability in Openclaw, classified under Insufficient Verification of Data Authenticity. CVSS score: 5.3/10. Published 2026-05-11.
How severe is CVE-2026-44999?: Medium severity. CVSS v3 base score is 5.3 out of 10.