Vulnerability · Published May 27, 2026 · Assigned by mitre
CVE-2026-36045
High 7.3
In plain English
A high-severity OS command injection in the github.com/sipeed/picoclaw package (Go). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities).
Severity (CVSS 3.1)7.3High
Exploit odds (30 days)1.4%top 26.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/sipeed/picoclaw | no fix listed | GHSA-cv2p-68f4-f4pw |
| Go | github.com/sipeed/picoclaw | no fix listed | GO-2026-5867 |
Affected products (as reported)
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L