How severe is CVE-2026-44109?

CVE-2026-44109 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-44109 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-44109?

CVE-2026-44109 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-44109?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-44109 have an EU (EUVD) identifier?

Yes. CVE-2026-44109 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28184.

When was CVE-2026-44109 published?

CVE-2026-44109 was published on 2026-05-06 and last updated on 2026-06-17.

CVE-2026-44109

CVE-2026-44109 is a critical-severity vulnerability in Openclaw with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1188.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.2
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-28184
Weakness: CWE-1188
Affected product: Openclaw
Published: 2026-05-06
Last modified: 2026-06-17

Description

OpenClaw before 2026.4.15 contains an authentication bypass vulnerability in Feishu webhook and card-action validation that allows unauthenticated requests to reach command dispatch. Missing encryptKey configuration and blank callback tokens fail open instead of rejecting requests, enabling attackers to bypass signature verification and replay protection to execute arbitrary commands.

Frequently asked questions

What is CVE-2026-44109?: OpenClaw before 2026.4.15 contains an authentication bypass vulnerability in Feishu webhook and card-action validation that allows unauthenticated requests to reach command dispatch. Missing encryptKey configuration and blank callback tokens fail open instead of rejecting requests, enabling attackers to bypass signature verification and replay protection to execute arbitrary commands.
How severe is CVE-2026-44109?: CVE-2026-44109 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-44109 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-44109?: CVE-2026-44109 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-44109?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-44109 have an EU (EUVD) identifier?: Yes. CVE-2026-44109 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28184.
When was CVE-2026-44109 published?: CVE-2026-44109 was published on 2026-05-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*

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