Description
OpenClaw versions prior to 2026.2.21 contain a stdin-only policy bypass vulnerability in the grep tool within tools.exec.safeBins that allows attackers to read arbitrary files by supplying a pattern via the -e flag parameter. Attackers can include a positional filename operand to bypass file access restrictions and read sensitive files.env from the working directory.
Problem types
CWE-184: Incomplete List of Disallowed Inputs
Product status
Any version before 2026.2.21
2026.2.21 (semver)
Credits
Athul Jayaram (@athuljayaram)
References
github.com/...enclaw/security/advisories/GHSA-3xfw-4pmr-4xc5 (GitHub Security Advisory (GHSA-3xfw-4pmr-4xc5))
github.com/...ommit/c6ee14d60e4cbd6a82f9b2d74ebeb1e8ee814964 (Patch Commit)
www.vulncheck.com/...file-read-via-grep-e-flag-policy-bypass (VulnCheck Advisory: OpenClaw < 2026.2.21 - Arbitrary File Read via grep -e Flag Policy Bypass)