CVE-2026-29612

MEDIUM

5.5

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.

CVE Details

CVSS v3.1 Score5.5

SeverityMEDIUM

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/5/2026

Last Modified3/11/2026

Sourcenvd

Honeypot Sightings0

Affected Products

openclaw:openclaw

Weaknesses (CWE)

CWE-770

References

https://github.com/openclaw/openclaw/commit/31791233d60495725fa012745dde8d6ee69e9595(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/security/advisories/GHSA-w2cg-vxx6-5xjg(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/openclaw-denial-of-service-via-large-base-media-file-decoding(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

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