CVE-2026-41399 — HIGH (7.5)

Q: How severe is CVE-2026-41399?

CVE-2026-41399 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-41399?

Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.

Vulnerability Description

OpenClaw before 2026.3.28 accepts unbounded concurrent unauthenticated WebSocket upgrades without pre-authentication budget allocation. Unauthenticated network attackers can exhaust socket and worker capacity to disrupt WebSocket availability for legitimate clients.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Openclaw	Openclaw	< 2026.3.28

Related Weaknesses (CWE)

CWE-770

References

https://github.com/openclaw/openclaw/security/advisories/GHSA-f44p-c7w9-7xr7Vendor AdvisoryPatch
https://www.vulncheck.com/advisories/openclaw-denial-of-service-via-unbounded-prThird Party Advisory

FAQ

What is CVE-2026-41399?

CVE-2026-41399 is a vulnerability with a CVSS score of 7.5 (HIGH). OpenClaw before 2026.3.28 accepts unbounded concurrent unauthenticated WebSocket upgrades without pre-authentication budget allocation. Unauthenticated network attackers can exhaust socket and worker ...

How severe is CVE-2026-41399?

CVE-2026-41399 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-41399?

Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.