CVE-2026-29612: OpenClaw: denial of service through large base64 media files allocating large buffers before limit checks
(updated )
Base64-backed media inputs could be decoded into Buffers before enforcing decoded-size budgets. An attacker supplying oversized base64 payloads can force large allocations, causing memory pressure and denial of service.
References
- github.com/advisories/GHSA-w2cg-vxx6-5xjg
- github.com/openclaw/openclaw
- github.com/openclaw/openclaw/commit/31791233d60495725fa012745dde8d6ee69e9595
- github.com/openclaw/openclaw/releases/tag/v2026.2.14
- github.com/openclaw/openclaw/security/advisories/GHSA-w2cg-vxx6-5xjg
- nvd.nist.gov/vuln/detail/CVE-2026-29612
- www.vulncheck.com/advisories/openclaw-denial-of-service-via-large-base-media-file-decoding
Code Behaviors & Features
Detect and mitigate CVE-2026-29612 with GitLab Dependency Scanning
Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →