Vulnerability in Openclaw
CVE-2026-41296
OpenClaw before 2026.3.31 contains a time-of-check-time-of-use race condition in the remote filesystem bridge readFile function that allows sandbox escape. Attackers can exploit the separate path validation and file read operations to bypass sandbox restrictions and read arbitrary files.
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.003 (23.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Openclaw — versions 0, 2026.3.31
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-9p3r-hh9g-5cmg (vendor-advisory, Vendor Advisory)
- github.com/openclaw/openclaw/commit/121870a08583033ed6a0ed73d9ffea32991252bb (Patch, patch)
- www.vulncheck.com/advisories/openclaw-sandbox-escape-via-toctou-race-in-remote-… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-41296?
- CVE-2026-41296 is a high-severity vulnerability in Openclaw, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 8.2/10. Published 2026-04-21.
- How severe is CVE-2026-41296?
- High severity. CVSS v3 base score is 8.2 out of 10.