HOMEVULNERABILITIESCVE-2026-41402
MEDIUM

CVE-2026-41402

CWE-706Published: April 28, 2026· Updated: Apr 30, 2026

5.4
CVSS v3.1
EPSS:0.03%probability of exploitation in 30 daysPercentile:8.0th

Official 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.

NVD Source

Technical Analysis

CVE-2026-41402 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Affected Vendors & Products

openclaw1 product
openclaw
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/openclaw/openclaw/commit/4d038bb242c11f39e45f6a4bde400e5fd42e4ebf
ADVISORYhttps://github.com/openclaw/openclaw/security/advisories/GHSA-hhq4-97c2-p447
ADVISORYhttps://www.vulncheck.com/advisories/openclaw-webhook-replay-cache-cross-target-messageid-scope-bypass

All References (3)

→
https://github.com/openclaw/openclaw/commit/4d038bb242c11f39e45f6a4bde400e5fd42e4ebfPatch
→
https://github.com/openclaw/openclaw/security/advisories/GHSA-hhq4-97c2-p447Vendor Advisory
→
https://www.vulncheck.com/advisories/openclaw-webhook-replay-cache-cross-target-messageid-scope-bypassThird Party Advisory

Quick Facts

CVE IDCVE-2026-41402
CVSS Score5.4 / 10
SeverityMEDIUM
WeaknessCWE-706
CISA KEVNo
EPSS (30d)0.03%
Affected1 vendor
PublishedApr 28, 2026

Related CVEs (CWE-706)

CVE-2026-35666
8.8
CVE-2026-40912
8.2
CVE-2026-10696
7.5
CVE-2026-13372
7.2
CVE-2026-1230
6.5
CVE-2026-35635
6.5

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-41402 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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