# github.com/nektos/act (Go) vulnerabilities

3 known vulnerabilities (3 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: v0.2.97 (Nov 4, 2026): no advisory affects it
- Newest unaffected release: v0.2.97 (Nov 4, 2026), the latest release
- Releases: 107 since v0.0.1 (Jan 13, 2019)
- Registry: https://pkg.go.dev/github.com/nektos/act
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-34042: v0.0.1 to v0.2.85 (v0.2.86 is outside it)
- CVE-2026-34041: v0.0.1 to v0.2.85 (v0.2.86 is outside it)
- CVE-2023-22726: v0.0.1 to v0.2.39 (v0.2.40 is outside it)

## Advisories (3)

### [CVE-2026-34042](https://cve.now/CVE-2026-34042): act: actions/cache server allows malicious cache injection

- Severity: High 8.2
- Published: Mar 31, 2026
- Affected: fixed in 0.2.86.
- Fixed in v0.2.86 (released Mar 25, 2026, 6 days before disclosure).
- The latest release, v0.2.97, is not affected.

### [CVE-2026-34041](https://cve.now/CVE-2026-34041): act: Unrestricted set-env and add-path command processing enables environment injection

- Severity: High 7.7
- Published: Mar 31, 2026
- Affected: fixed in 0.2.86.
- Fixed in v0.2.86 (released Mar 25, 2026, 6 days before disclosure).
- The latest release, v0.2.97, is not affected.

### [CVE-2023-22726](https://cve.now/CVE-2023-22726): Unrestricted file upload leading to privilege escalation in act

- Severity: High 8.0
- Published: Jan 20, 2023
- Affected: fixed in 0.2.40.
- Fixed in v0.2.40 (released Jan 16, 2023, 4 days before disclosure).
- The latest release, v0.2.97, is not affected.

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