PT-2026-33671

Published

2026-04-09

·

Updated

2026-04-09

Description by

CVSS 3.1
4.3
Medium
MetricsAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Impact

Multiple Code Paths Missing Base64 Pre-Allocation Size Checks.
Several base64 decode paths could allocate before enforcing decoded-size limits.
OpenClaw is a user-controlled local assistant. This advisory is scoped to the OpenClaw trust model and does not assume a multi-tenant service boundary.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Affected versions: <=v2026.4.2
  • Patched versions: 2026.4.8

Fix

The issue was fixed on main and is available in the patched npm version listed above. The verified fixed tree is commit d7c3210cd6f5fdfdc1beff4c9541673e814354d5.

Verification

The fix was re-checked against main before publication, including targeted regression tests for the affected security boundary.

Credits

Thanks @zsxsoft and @KeenSecurityLab for reporting.
Exploitability
Fix
Impacts
Vendors
Affected products
Related identifiers
GHSA-CCX3-FW7Q-RR2R
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