High severityNVD Advisory· Published Mar 18, 2026· Updated Mar 18, 2026
OpenClaw < 2026.2.24 - Sandbox Bind Validation Bypass via Symlink-Parent Missing-Leaf Paths
CVE-2026-27523
Description
OpenClaw versions prior to 2026.2.24 contain a sandbox bind validation vulnerability allowing attackers to bypass allowed-root and blocked-path checks via symlinked parent directories with non-existent leaf paths. Attackers can craft bind source paths that appear within allowed roots but resolve outside sandbox boundaries once missing leaf components are created, weakening bind-source isolation enforcement.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
openclawnpm | < 2026.2.24 | 2026.2.24 |
Affected products
2Patches
Vulnerability mechanics
References
5- github.com/openclaw/openclaw/commit/b5787e4abba0dcc6baf09051099f6773c1679ec1ghsapatchWEB
- github.com/advisories/GHSA-m8v2-6wwh-r4gcghsaADVISORY
- github.com/openclaw/openclaw/security/advisories/GHSA-m8v2-6wwh-r4gcghsathird-party-advisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-27523ghsaADVISORY
- www.vulncheck.com/advisories/openclaw-sandbox-bind-validation-bypass-via-symlink-parent-missing-leaf-pathsghsathird-party-advisoryWEB
News mentions
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