Vulnerability Description
OpenClaw versions prior to 2026.2.14 decode base64-backed media inputs into buffers before enforcing decoded-size budget limits, allowing attackers to trigger large memory allocations. Remote attackers can supply oversized base64 payloads to cause memory pressure and denial of service.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openclaw | Openclaw | < 2026.2.14 |
Related Weaknesses (CWE)
References
- https://github.com/openclaw/openclaw/commit/31791233d60495725fa012745dde8d6ee69ePatch
- https://github.com/openclaw/openclaw/security/advisories/GHSA-w2cg-vxx6-5xjgThird Party Advisory
- https://www.vulncheck.com/advisories/openclaw-denial-of-service-via-large-base-mThird Party Advisory
FAQ
What is CVE-2026-29612?
CVE-2026-29612 is a vulnerability with a CVSS score of 5.5 (MEDIUM). OpenClaw versions prior to 2026.2.14 decode base64-backed media inputs into buffers before enforcing decoded-size budget limits, allowing attackers to trigger large memory allocations. Remote attacker...
How severe is CVE-2026-29612?
CVE-2026-29612 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-29612?
Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.