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CVE-2026-22178

MEDIUM

6.5

Description

OpenClaw versions prior to 2026.2.19 construct RegExp objects directly from unescaped Feishu mention metadata in the stripBotMention function, allowing regex injection and denial of service. Attackers can craft nested-quantifier patterns or metacharacters in mention metadata to trigger catastrophic backtracking, block message processing, or remove unintended content before model processing.

CVE Details

CVSS v3.1 Score6.5

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/18/2026

Last Modified3/19/2026

Sourcenvd

Honeypot Sightings0

Affected Products

openclaw:openclaw

Weaknesses (CWE)

CWE-1333

References

https://github.com/openclaw/openclaw/commit/74268489137510b6f6349919d1e197b17290d92c(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/commit/7e67ab75cc2f0e93569d12fecd1411c2961fcc8c(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/security/advisories/GHSA-c6hr-w26q-c636(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/openclaw-redos-and-regex-injection-via-unescaped-feishu-mention-metadata(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

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