# stanza (PyPI) vulnerabilities

2 known vulnerabilities (2 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 1.15.0 (Oct 1, 2026): no advisory affects it
- Newest unaffected release: 1.15.0 (Oct 1, 2026), the latest release
- Weekly downloads: 255K
- Dependents: 103
- Releases: 34 since 0.3.0 (May 21, 2017)
- Registry: https://pypi.org/project/stanza/
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-115878: 1.14.0 (1.15.0 is outside it)
- CVE-2026-54499: 0.3.0 to 1.12.1 (1.12.2 is outside it)

## Advisories (2)

### [CVE-2026-115878](https://cve.now/CVE-2026-115878): Stanza: RCE via pickle deserialization in the lemmatizer

- Severity: High 7.8
- Published: Nov 3, 2026
- Affected: from 1.14.0, fixed in 1.15.0.
- Fixed in 1.15.0 (released Oct 1, 2026, 33 days before disclosure).
- The latest release, 1.15.0, is not affected.

### [CVE-2026-54499](https://cve.now/CVE-2026-54499): Stanza: Remote Code Execution via Unsafe Pickle Deserialization in Model Loaders

- Severity: High 7.5
- Published: Jul 8, 2026
- Affected: fixed in 1.12.2.
- Fixed in 1.12.2 (released Jun 3, 2026, 35 days before disclosure).
- The latest release, 1.15.0, is not affected.

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