CVE-2026-41354

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.

CVSS v3.1 Score

3.7

LOW

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

EPSS — Exploit Prediction

0.0005

Probability of exploitation

0.16%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-706 CWE-706

Affected Products

Vendor	Product	Versions
openclaw	openclaw	< 2026.4.2

References

Advisories & Patches

https://github.com/openclaw/openclaw/commit/ef7c553dd16ee579f1d1a363f5881a99726c1412 https://github.com/openclaw/openclaw/security/advisories/GHSA-rxmx-g7hr-8mx4

Other References

https://www.vulncheck.com/advisories/openclaw-insufficient-scope-in-zalo-webhook-replay-dedupe-keys

Frequently Asked Questions

What is CVE-2026-41354? +

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. It has a CVSS v3.1 base score of 3.7 (LOW).

How severe is CVE-2026-41354? +

CVE-2026-41354 has a CVSS v3.1 score of 3.7 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0005, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-41354? +

CVE-2026-41354 affects products from openclaw, specifically: openclaw. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-41354? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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