Is CVE-2026-44999 in the CISA KEV catalog?

No. CVE-2026-44999 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-44999?

CVE-2026-44999 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2026-44999?

CVE-2026-44999 has an EPSS score of 0.15% (5th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-44999?

Upgrade openclaw to 2026.4.20 or later.

CVE & CISA-KEV Catalog

CVE-2026-44999

MEDIUM

5.3

CVSS v3

NVD

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.

CWE-345

How to fix

Remediation Available

openclawNVD

Affected:< 2026.4.20Fixed in:2026.4.20CVE-2026-44999derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.15%probability of exploitation in 30 days

5thpercentile

Low risk: more likely to be exploited than 5% of all known CVEs.

References

Patch2

Third-Party Advisory1

github.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.