CVE-2026-41402

OpenClaw < 2026.3.31 - Webhook Replay Cache Cross-Target messageId Scope Bypass

MEDIUM
5.4
CVSS Score
Published: April 28, 2026 at 06:09 PM UTC
Updated: June 17, 2026 at 10:46 AM UTC
1 product affected across 1 vendorOpenClaw

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

OpenClaw before 2026.3.31 contains a scope bypass vulnerability in webhook replay cache deduplication that allows authenticated attackers to replay messages across sibling targets using the same messageId. Attackers can exploit overly broad cache keying to bypass replay protection and deliver duplicate webhook messages to unintended targets.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2026.3.31
Vendor states this is fixed in 2026.3.31 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-706

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