What is CVE-2026-53826?

CVE-2026-53826 is a medium-severity vulnerability in Openclaw, classified under Exposure of Resource to Wrong Sphere. CVSS score: 4.3/10. Published 2026-06-12.

How severe is CVE-2026-53826?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Openclaw

CVE-2026-53826

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…

EPSS: 0.002 (8.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Openclaw — versions 0, 2026.4.26

Weakness classification (CWE)

CWE-668 — Exposure of Resource to Wrong Sphere

References

disclosure@vulncheck.com (vendor-advisory, Mitigation, Vendor Advisory)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-53826?: CVE-2026-53826 is a medium-severity vulnerability in Openclaw, classified under Exposure of Resource to Wrong Sphere. CVSS score: 4.3/10. Published 2026-06-12.
How severe is CVE-2026-53826?: Medium severity. CVSS v3 base score is 4.3 out of 10.