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Description

OpenClaw before 2026.4.2 contains an improper trust boundary vulnerability allowing untrusted workspace channel shadows to execute during built-in channel setup and login. Attackers can clone a workspace with a malicious plugin claiming a bundled channel id to achieve unintended in-process code execution before the plugin is explicitly trusted.

PUBLISHED Reserved 2026-04-20 | Published 2026-04-20 | Updated 2026-04-21 | Assigner VulnCheck




HIGH: 8.5CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

HIGH: 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Problem types

CWE-829: Inclusion of Functionality from Untrusted Control Sphere

Product status

Default status
unaffected

Any version before 2026.4.2
affected

2026.4.2 (semver)
unaffected

Credits

Peng Zhou (@zpbrent) reporter

References

github.com/...enclaw/security/advisories/GHSA-2qrv-rc5x-2g2h (GitHub Security Advisory (GHSA-2qrv-rc5x-2g2h)) vendor-advisory

github.com/...ommit/53c29df2a9eb242a70d0ff29f3d1e67c8d6801f0 (Patch Commit) patch

www.vulncheck.com/...execution-during-built-in-channel-setup (VulnCheck Advisory: OpenClaw < 2026.4.2 - Untrusted Workspace Channel Shadow Code Execution during Built-in Channel Setup) third-party-advisory

cve.org (CVE-2026-41295)

nvd.nist.gov (CVE-2026-41295)

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