CVE-2026-36045 json
picoclaw is vulnerable to OS command injection via the ExecTool component
published 2026-05-27 5 mo ago modified 2026-10-23 16 d ago also GHSA-cv2p-68f4-f4pw , GO-2026-5867 , EUVD-2026-32684
- cvss
- 7.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- govulncheck-vulndb openSUSE Leap 16.0 0.0.20260723T184607-160000.1.1
opensuse advisories openSUSE-SU-2026:21483-1
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 5 mo ago
Exploit prediction
1.44% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- gist.github.com https://gist.github.com/NucleiAv/41899be6266a9813840301577792ed68 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| CNA | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| GitHub | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/sipeed/picoclaw | <=0.1.2 all versions |
no fix listed |
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
github.com
/sipeed/picoclaw/commit/01d694b9985a66c3d7119fc9f74ce8ed4f0f21b5
web, patch
-
gist.github.com
/NucleiAv/41899be6266a9813840301577792ed68
exploit, web
-
github.com
/sipeed/picoclaw/releases/tag/v0.1.2
web
-
nvd.nist.gov
/vuln/detail/CVE-2026-36045
advisory
-
github.com
/sipeed/picoclaw
package
-
github.com
/advisories/GHSA-cv2p-68f4-f4pw
advisory
Sources
- CVE List CVE-2026-36045
- GitHub Advisory GHSA-cv2p-68f4-f4pw
- NVD CVE-2026-36045
- OSV GO-2026-5867
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.