VulnerabilityAnalyzed

CVE-2026-32918

OpenClaw before 2026.3.11 contains a session sandbox escape vulnerability in the session_status tool that allows sandboxed subagents to access parent or sibling session state.

CRITICAL 9.2EPSS 0.10%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.10%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

OpenClaw before 2026.3.11 contains a session sandbox escape vulnerability in the session_status tool that allows sandboxed subagents to access parent or sibling session state. Attackers can supply arbitrary sessionKey values to read or modify session data outside their sandbox scope, including persisted model overrides.

CVSS 4.0: 9.2 CRITICALCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.10% probability · 1th percentile
CISA KEV: Not listed
Weakness: CWE-863
Affected: openclaw/openclaw
Source: disclosure@vulncheck.com

References

https://github.com/openclaw/openclaw/security/advisories/GHSA-wcxr-59v9-rxr8Vendor Advisory
https://www.vulncheck.com/advisories/openclaw-session-sandbox-escape-via-session-status-toolThird Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.