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CVE-2026-42420
Published: Apr 28, 2026
Modified: Apr 29, 2026
PUBLISHED
CVSS v3.1
4.3
MEDIUM
Description
OpenClaw before 2026.4.8 contains improper input validation in base64 decode paths that allocate memory before enforcing decoded-size limits. Attackers can exploit multiple code paths to cause memory exhaustion or denial of service through crafted base64-encoded input.
| Vendor | Product | Versions |
|---|---|---|
OpenClaw | OpenClaw | affected 0 - < 2026.4.8unaffected 2026.4.8 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
References
GitHub Security Advisory (GHSA-ccx3-fw7q-rr2r)
vendor-advisory
Patch Commit
patch
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