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 to strengthen prompt-injection attacks by rendering untrusted events as trusted System events.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (11.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.001
Affected products
- Openclaw — versions 0, 2026.4.20
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-57r2-h2wj-g887 (vendor-advisory, Third Party Advisory)
- github.com/openclaw/openclaw/commit/f61896b03cc7031f51106a04566831f4ac2a0bd7 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-improper-trust-labeling-in-isolated-cron-… (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.