CVE-2026-44999

Description

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.

CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS — Exploit Prediction

0.0002

Probability of exploitation

0.05%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-345 CWE-345

Affected Products

Vendor	Product	Versions
openclaw	openclaw	< 2026.4.20

References

Advisories & Patches

https://github.com/openclaw/openclaw/commit/f61896b03cc7031f51106a04566831f4ac2a0bd7 https://www.vulncheck.com/advisories/openclaw-improper-trust-labeling-in-isolated-cron-awareness-events

Other References

https://github.com/openclaw/openclaw/security/advisories/GHSA-57r2-h2wj-g887

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-44999? +

CVE-2026-44999 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0002, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-44999? +

CVE-2026-44999 affects products from openclaw, specifically: openclaw. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-44999? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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