CVE-2026-36045: picoclaw is vulnerable to OS command injection via the ExecTool component

May 27, 2026 (updated July 1, 2026)

picoclaw <=v0.1.2 and earlier is vulnerable to OS command injection via the ExecTool component (pkg/tools/shell.go). The guardCommand() function attempts to restrict shell command execution using a denylist of 8 regular expressions, but the denylist is incomplete.

References

gist.github.com/NucleiAv/41899be6266a9813840301577792ed68
github.com/advisories/GHSA-cv2p-68f4-f4pw
github.com/sipeed/picoclaw/commit/01d694b9985a66c3d7119fc9f74ce8ed4f0f21b5
github.com/sipeed/picoclaw/releases/tag/v0.1.2
nvd.nist.gov/vuln/detail/CVE-2026-36045

Code Behaviors & Features

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