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CVE-2026-35633

MEDIUM

5.3

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.

CVE Details

CVSS v3.1 Score5.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/9/2026

Last Modified4/15/2026

Sourcenvd

Honeypot Sightings0

Affected Products

openclaw:openclaw

Weaknesses (CWE)

CWE-789CWE-770

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-error-responses(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

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