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Description

OpenClaw before 2026.4.26 contains an information disclosure vulnerability in sandboxed session spawning that exposes the real workspace path to child prompts. Attackers can exploit this by spawning child sessions from sandboxed parents to reveal host workspace location or related memory context to child models.

PUBLISHED Reserved 2026-06-10 | Published 2026-06-12 | Updated 2026-06-15 | Assigner VulnCheck




LOW: 2.3CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Problem types

Exposure of Resource to Wrong Sphere

Product status

Default status
unaffected

Any version before 2026.4.26
affected

2026.4.26 (semver)
unaffected

Credits

Anshuman Bhartiya (@anshumanbh) reporter

References

github.com/...enclaw/security/advisories/GHSA-6c4r-g249-wv3c (GitHub Security Advisory (GHSA-6c4r-g249-wv3c)) vendor-advisory

www.vulncheck.com/...-disclosure-via-sandboxed-session-spawn (VulnCheck Advisory: OpenClaw < 2026.4.26 - Information Disclosure via Sandboxed Session Spawn) third-party-advisory

cve.org (CVE-2026-53826)

nvd.nist.gov (CVE-2026-53826)

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