CVE-2026-41354 | THREATINT

Description

OpenClaw before 2026.4.2 contains an insufficient scope vulnerability in Zalo webhook replay dedupe keys that allows legitimate events from different conversations or senders to collide. Attackers can exploit weak deduplication scoping to cause silent message suppression and disrupt bot workflows across chat sessions.

PUBLISHED Reserved 2026-04-20 | Published 2026-04-23 | Updated 2026-04-24 | Assigner VulnCheck

MEDIUM: 6.3CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

LOW: 3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Problem types

CWE-706: Use of Incorrectly-Resolved Name or Reference

Product status

Default status

unaffected

Any version before 2026.4.2

affected

2026.4.2 (semver)

unaffected

Credits

Steven Siegfried (@D0ub1e-D) reporter

References

github.com/...enclaw/security/advisories/GHSA-rxmx-g7hr-8mx4 (GitHub Security Advisory (GHSA-rxmx-g7hr-8mx4)) vendor-advisory

github.com/...ommit/ef7c553dd16ee579f1d1a363f5881a99726c1412 (Patch Commit) patch

www.vulncheck.com/...cope-in-zalo-webhook-replay-dedupe-keys (VulnCheck Advisory: OpenClaw < 2026.4.2 - Insufficient Scope in Zalo Webhook Replay Dedupe Keys) third-party-advisory

cve.org (CVE-2026-41354)

nvd.nist.gov (CVE-2026-41354)

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