PT-2026-35785 · Openclaw · Openclaw

Keensecuritylab + 1 · Published 2026-04-02 · Updated 2026-04-28 · CVE-2026-41402

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions OpenClaw versions prior to 2026.3.31

Description A scope bypass exists in the webhook replay cache deduplication process. Authenticated attackers can exploit overly broad cache keying to replay messages across sibling targets using the same messageId, allowing duplicate webhook messages to be delivered to unintended targets.

Recommendations Update to version 2026.3.31.

Fix

Weakness Enumeration

CWE-706

CWE-294

Related Identifiers

CVE-2026-41402

GHSA-HHQ4-97C2-P447

Affected Products

Openclaw

References · 8

• https://github.com/openclaw/openclaw/security/advisories/GHSA-hhq4-97c2-p447 · Vendor Advisory
• https://github.com/openclaw/openclaw/commit/4d038bb242c11f39e45f6a4bde400e5fd42e4ebf · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-41402 · Security Note
• https://osv.dev/vulnerability/GHSA-hhq4-97c2-p447 · Vendor Advisory
• https://github.com/openclaw/openclaw · Note
• https://github.com/openclaw/openclaw/releases/tag/v2026.3.31 · Note
• https://twitter.com/CVEnew/status/2049227518826201216 · Twitter Post
• https://vulncheck.com/advisories/openclaw-webhook-replay-cache-cross-target-messageid-scope-bypass · Note