# pretalx (PyPI) vulnerabilities

4 known vulnerabilities (1 high, 3 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 2026.2.1 (Jul 8, 2026): no advisory affects it
- Newest unaffected release: 2026.2.1 (Jul 8, 2026), the latest release
- Weekly downloads: 303
- Dependents: 1
- Releases: 48 since 0.1.0 (Nov 1, 2017)
- Registry: https://pypi.org/project/pretalx/
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-41426: 0.1.0 to 2025.2.2 (2026.1.0 is outside it)
- CVE-2026-41241: 0.1.0 to 2025.2.2 (2026.1.0 is outside it)
- CVE-2023-28459: 0.1.0 to 2.3.1 (2.3.2 is outside it)
- CVE-2023-28458: 0.1.0 (0.2.0.post1 is outside it); 0.2.2 to 1.0.0 (1.0.1 is outside it); 1.1.0 (1.1.1 is outside it); 2.0.0 to 2.3.1 (2.3.2 is outside it)

## Advisories (4)

### [CVE-2026-41426](https://cve.now/CVE-2026-41426): pretalx: Email injection via unescaped user-controlled placeholders in pretalx mail templates

- Severity: Medium 6.1
- Published: Apr 24, 2026
- Affected: fixed in 2026.1.0.
- Fixed in 2026.1.0 (released Apr 17, 2026, 7 days before disclosure).
- The latest release, 2026.2.1, is not affected.

### [CVE-2026-41241](https://cve.now/CVE-2026-41241): pretalx: Stored cross-site scripting in organiser search typeahead

- Severity: High 8.7
- Published: Apr 23, 2026
- Affected: fixed in 2026.1.0.
- Fixed in 2026.1.0 (released Apr 17, 2026, 6 days before disclosure).
- The latest release, 2026.2.1, is not affected.

### [CVE-2023-28459](https://cve.now/CVE-2023-28459): pretalx 2.3.1 before 2.3.2 allows path traversal in HTML export (a non-default feature).

- Severity: Medium 6.5
- Published: Apr 20, 2023
- Affected: fixed in 2.3.2; from 2.3.1, fixed in 2.3.2.
- Fixed in 2.3.2 (released Mar 7, 2023, 44 days before disclosure).
- The latest release, 2026.2.1, is not affected.

### [CVE-2023-28458](https://cve.now/CVE-2023-28458): pretalx 2.3.1 before 2.3.2 allows path traversal in HTML export (a non-default feature).

- Severity: Medium 4.3
- Published: Apr 20, 2023
- Affected: from 2.3.1, fixed in 2.3.2; from 2.3.1, fixed in 2.3.2.
- Fixed in 2.3.2 (released Mar 7, 2023, 44 days before disclosure).
- The latest release, 2026.2.1, is not affected.

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