# upsonic (PyPI) vulnerabilities

3 known vulnerabilities (1 critical, 2 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 0.77.3 (May 19, 2026): no advisory affects it
- Newest unaffected release: 0.77.3 (May 19, 2026), the latest release
- Weekly downloads: 376
- Dependents: 0
- Releases: 447 since 0.4.2 (Oct 21, 2023)
- Registry: https://pypi.org/project/upsonic/
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-30625: 0.4.2 to 0.72.0a1770914087 (0.72.0 is outside it)
- CVE-2025-6279: 0.4.2 to 0.55.6 (0.56.0 is outside it)
- CVE-2025-6278: 0.4.2 to 0.55.6 (0.56.0 is outside it)

## Advisories (3)

### [CVE-2026-30625](https://cve.now/CVE-2026-30625): Upsonic 0.71.6 contains a remote code execution vulnerability in its MCP server/task creation functionality.

- Severity: Critical 9.8
- Published: Apr 15, 2026
- Affected: fixed in 0.72.0.
- Fixed in 0.72.0 (released Feb 9, 2026, 65 days before disclosure).
- The latest release, 0.77.3, is not affected.

### [CVE-2025-6279](https://cve.now/CVE-2025-6279): Upsonic Pickle add\_tool cloudpickle.loads deserialization

- Severity: Medium 5.1
- Published: Jun 19, 2025
- Affected: fixed in 0.56.0.
- Fixed in 0.56.0 (released Jun 15, 2025, 4 days before disclosure).
- The latest release, 0.77.3, is not affected.

### [CVE-2025-6278](https://cve.now/CVE-2025-6278): Upsonic server.py os.path.join path traversal

- Severity: Medium 5.1
- Published: Jun 19, 2025
- Affected: fixed in 0.56.0.
- Fixed in 0.56.0 (released Jun 15, 2025, 4 days before disclosure).
- The latest release, 0.77.3, is not affected.

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