What is CVE-2026-41408?

CVE-2026-41408 is a medium-severity vulnerability in Openclaw, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 4.3/10. Published 2026-04-28.

How severe is CVE-2026-41408?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Resource exhaustion in Openclaw

CVE-2026-41408

OpenClaw before 2026.3.31 contains a resource exhaustion vulnerability in media downloads that bypasses core safety limits for file size, count, and cleanup operations. Attackers can exhaust disk space by downloading media files without tr…

EPSS: 0.001 (16.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

Openclaw — versions 0, 2026.3.31

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

GitHub Security Advisory (GHSA-4g5x-2jfc-xm98) (vendor-advisory, Vendor Advisory)
Patch Commit (Patch, patch)
VulnCheck Advisory: OpenClaw < 2026.3.31 - Disk Exhaustion via Media Download Bypass (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-41408?: CVE-2026-41408 is a medium-severity vulnerability in Openclaw, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 4.3/10. Published 2026-04-28.
How severe is CVE-2026-41408?: Medium severity. CVSS v3 base score is 4.3 out of 10.