CVE-2026-53826: OpenClaw < 2026.4.26 - Information Disclosure via Sandboxed Session Spawn

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-12 · updated 2026-07-23
Weakness: CWE-668

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.

Affected products

OpenClaw: before 2026.4.26 — fixed in 2026.4.26

How to fix

Upgrade to a fixed version: OpenClaw 2026.4.26. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/security/advisories/GHSA-6c4r-g249-wv3c
https://www.vulncheck.com/advisories/openclaw-information-disclosure-via-sandboxed-session-spawn

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