CVE-2026-35633

Description

OpenClaw before 2026.3.22 contains an unbounded memory allocation vulnerability in remote media HTTP error handling that allows attackers to trigger excessive memory consumption. Attackers can send crafted HTTP error responses with large bodies to remote media endpoints, causing the application to allocate unbounded memory before failure handling occurs.

References

• https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87
• https://github.com/openclaw/openclaw/commit/81445a901091a5d27ef0b56fceedbe4724566438
• https://github.com/openclaw/openclaw/security/advisories/GHSA-4qwc-c7g9-4xcw
• https://www.vulncheck.com/advisories/openclaw-unbounded-memory-allocation-via-remote-media-error-responses