PT-2026-33555 · Npm · Openclaw

Published 2026-04-07 · Updated 2026-04-07

OSV

CVSS v3.1

6.5

Medium

Base vector

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

Summary

Tlon media downloads can bypass core safety limits and exhaust disk

Current Maintainer Triage

• Status: narrow
• Normalized severity: low
• Assessment: Shipped v2026.3.28 Tlon media downloads bypassed core size/count/cleanup limits, but this is availability-only resource exhaustion in a bundled plugin path, so low.

Affected Packages / Versions

• Package: openclaw (npm)
• Latest published npm version: 2026.3.31
• Vulnerable version range: <=2026.3.28
• Patched versions: >= 2026.3.31
• First stable tag containing the fix: v2026.3.31

Fix Commit(s)

• 2194587d70d2aef863508b945319c5a7c88b12ce — 2026-03-31T19:40:15+09:00

Release Process Note

• The fix is already present in released version 2026.3.31.
• This draft looks ready for final maintainer disposition or publication, not additional code-fix work.

Thanks @AntAISecurityLab for reporting.

Fix

Unrestricted File Upload

Allocation of Resources Without Limits

Weakness Enumeration

CWE-434

CWE-770

Related Identifiers

GHSA-4G5X-2JFC-XM98

Affected Products

Openclaw

References · 6

• https://osv.dev/vulnerability/GHSA-4g5x-2jfc-xm98 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-41408 · Security Note
• https://github.com/openclaw/openclaw · Note
• https://github.com/openclaw/openclaw/security/advisories/GHSA-4g5x-2jfc-xm98 · Note
• https://github.com/openclaw/openclaw/commit/2194587d70d2aef863508b945319c5a7c88b12ce · Note
• https://vulncheck.com/advisories/openclaw-disk-exhaustion-via-media-download-bypass · Note