CVE-2026-101880
CVE-2026-101880
OpenClaw Windows Node before 2026.7.1 contains an incorrect authorization vulnerability in the system.run exec-approval policy where ExecShellWrapperParser fails to split commands on pipe operators or extract command substitutions. Connected gateways or agents can bypass approval rules by placing denied commands behind allowed prefixes using pipe operators or command substitution syntax, achieving arbitrary command execution on Windows hosts.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Weakness classification (CWE)
References
- github.com/openclaw/openclaw-windows-node/security/advisories/GHSA-r3x2-vf2f-vv… (vendor-advisory)
- github.com/openclaw/openclaw-windows-node/security/advisories/GHSA-vg38-vjq2-vg… (vendor-advisory)
- github.com/openclaw/openclaw-windows-node/commit/2077aa3e7159101bddcee2f4efcb9d… (patch)
- github.com/openclaw/openclaw-windows-node/releases/tag/v2026.7.1 (release-notes)
- github.com/openclaw/openclaw-windows-node/blob/v0.6.12/src/OpenClaw.Shared/Exec… (technical-description)
- www.vulncheck.com/advisories/openclaw-windows-node-before-2026.7.1-authorizatio… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-101880?
- CVE-2026-101880 is a high-severity vulnerability, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2026-09-30.
- How severe is CVE-2026-101880?
- High severity. CVSS v3 base score is 8.8 out of 10.