# buildstream (PyPI) vulnerabilities

1 known vulnerability (1 critical), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 2.8.1 (Sep 22, 2026): no advisory affects it
- Newest unaffected release: 2.8.1 (Sep 22, 2026), the latest release
- Weekly downloads: 4,106
- Dependents: 2
- Releases: 71 since 1.1.7 (Aug 23, 2018)
- Registry: https://pypi.org/project/buildstream/
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-82331: 1.1.7 to 2.8.0 (2.8.1.dev0 is outside it)

## Advisories (1)

### [CVE-2026-82331](https://cve.now/CVE-2026-82331): Apache BuildStream: tar source extraction escape

- Severity: Critical 9.8
- Published: Sep 23, 2026
- Affected: through 2.8.0.
- Fixed in 2.8.1 (released Sep 22, 2026, 1 day before disclosure), the first release outside every affected range (no listed fixed version clears them all).
- The latest release, 2.8.1, is not affected.

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