How severe is CVE-2026-36045?

CVE-2026-36045 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-36045 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-36045?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-36045 have an EU (EUVD) identifier?

Yes. CVE-2026-36045 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32684.

When was CVE-2026-36045 published?

CVE-2026-36045 was published on 2026-05-27 and last updated on 2026-06-17.

CVE-2026-36045

Q: What is CVE-2026-36045?

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.

CVE-2026-36045 is a high-severity vulnerability with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-32684
Weakness: CWE-78
Published: 2026-05-27
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-36045?: 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.
How severe is CVE-2026-36045?: CVE-2026-36045 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-36045 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-36045?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-36045 have an EU (EUVD) identifier?: Yes. CVE-2026-36045 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32684.
When was CVE-2026-36045 published?: CVE-2026-36045 was published on 2026-05-27 and last updated on 2026-06-17.

References

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