# CVE-2025-50460: PYSEC-2026-1683 - MS SWIFT Remote Code Execution via unsafe PyYAML deserialization

Source: https://junglewise.ai/threats/cve-2025-50460-ms-swift-remote-code-execution-via-unsafe-pyyaml-deserialization  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-07  
License: CC BY 4.0 with a link back

CVE-2025-50460 · Severity: low · CVSS 3.1 · Published 2026-07-07

MS SWIFT Remote Code Execution via unsafe PyYAML deserialization

Technologies: [ms-swift (PyPI)](https://junglewise.ai/threats/technologies/ms-swift). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2025-50460 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-50460 being exploited in the wild.

**How severe is CVE-2025-50460?** Low severity, with a CVSS score of 3.1, published 7 July 2026.

**Which products and versions are affected?** ms-swift (PyPI) ECOSYSTEM:introduced=0,last_affected=3.6.3.

**Is there a fix for CVE-2025-50460?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2025-50460?** Check whether you run ms-swift (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- ms-swift (PyPI) ECOSYSTEM:introduced=0,last_affected=3.6.3

## Identifiers

- CVE-2025-50460
- GHSA-fm6c-f59h-7mmg
- PYSEC-2026-1683

## Related threats

- [PYSEC-2026-1682 - MS SWIFT WEB-UI RCE Vulnerability](https://junglewise.ai/threats/cve-2025-41419-ms-swift-web-ui-rce-vulnerability)
- [ModelScope ms-swift Weak Hash in PIL Image Cache Key Handler](https://junglewise.ai/threats/cve-2026-10801-modelscope-ms-swift-weak-hash-in-pil-image-cache-key-handler)
- [MS SWIFT Deserialization RCE Vulnerability](https://junglewise.ai/threats/ms-swift-deserialization-rce-vulnerability-6bbb7913)