CVE-2026-35633
mediumOpenClaw before 2026.3.22 contains an unbounded memory allocation vulnerability in remote media HTTP error handling that allows attackers to trigger excessive…
Vendor / product: Openclaw — openclaw
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.
CVSS
5.3
5.3 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)
Timeline (UTC)
Published: 2026-04-09 22:16
Modified: 2026-11-11 23:10
NVD status: Analyzed
Last synced 3 hours ago
Verified against the source API 2026-11-11 23:12 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
openclaw / openclaw <2026.3.22
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
References
- https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87 disclosure@vulncheck.com
- https://github.com/openclaw/openclaw/commit/81445a901091a5d27ef0b56fceedbe4724566438 disclosure@vulncheck.com
- https://github.com/openclaw/openclaw/security/advisories/GHSA-4qwc-c7g9-4xcw disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/openclaw-unbounded-memory-allocation-via-remote-media... disclosure@vulncheck.com
Data sources
NVD CVE API 2.0 — fetched 2026-11-11 23:12 UTC · record ↗

