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VulnerabilityPublished

CVE-2026-41358: OpenClaw · Origin Validation Error

Affects OpenClawSource GCVE Database

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Not known to be exploited · CVSS 2.3 Low : upgrade to 2026.4.2 when convenient.

Data as of 12 Nov 2026, 01:06 UTC

CVSS 4.0 base score
2.3Low
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (VulnCheck)CVSS 4.02.3
CNA (VulnCheck)CVSS 3.15.4
Patch
Available – fixed in 2026.4.2
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 11 Nov 2026.

What to do

Upgrade OpenClaw to 2026.4.2.

Affected software

ProductAffectedFixed in
OpenClaw OpenClawAffected
  • <2026.4.2
Fixed in
  • 2026.4.2

AI-suggested

A fix is available in OpenClaw version 2026.4.2 or later. Users should upgrade to this version to remediate the vulnerability. No additional mitigation steps are indicated or required beyond applying the official fix.

Description

OpenClaw versions before 2026.4.2 have an origin validation error that allows unauthorized Slack thread messages to be injected into the agent context. This occurs because the software fails to properly filter thread context by a sender allowlist, enabling attackers to bypass sender access controls via allowlisted user replies. The vulnerability is tracked as CVE-2026-41358 and has a low severity rating.

References

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