Openclaw cli: OpenClaw: Tlon media downloads can bypass core safety limits and exhaust disk (CVE-2026-41408)
Description
OpenClaw CLI versions prior to 2026.3.31 have a vulnerability where Tlon media downloads can bypass core safety limits, leading to disk exhaustion. This is a resource exhaustion issue affecting availability only. The vulnerability is patched in version 2026.3.31. The severity is rated medium with a CVSS score of 6.5.
CVSS v3.1
Score 6.5medium
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The OpenClaw CLI package (npm) versions from 2026.1.29 up to but not including 2026.3.31 contain a vulnerability (CVE-2026-41408) where Tlon media downloads bypass core size, count, and cleanup safety limits. This can cause exhaustion of disk resources, impacting availability. The issue is limited to a bundled plugin path and does not affect confidentiality or integrity. The vulnerability was fixed in version 2026.3.31, with the fix committed on 2026-03-31.
Potential Impact
The vulnerability allows an attacker to exhaust disk space by bypassing safety limits on media downloads, causing availability disruption. There is no impact on confidentiality or integrity. This is a denial-of-service type resource exhaustion vulnerability.
Mitigation Recommendations
Upgrade to OpenClaw CLI version 2026.3.31 or later, where the vulnerability is fixed. No additional mitigation is required as the fix is officially released.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- BREW-openclaw-cli-CVE-2026-41408
- Osv Schema Version
- 1.7.3
- Ecosystems
- ["Homebrew"]
- Cvss Version
- 3.1
Threat ID: 6ac245d512601ec6a316808a
Added to database: 10/04/2026, 12:25:57 UTC
Last enriched: 10/04/2026, 13:18:34 UTC
Last updated: 10/04/2026, 16:08:38 UTC
Views: 2
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