# deepdiff (PyPI) vulnerabilities

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

## At a glance

- Latest release: 9.1.0 (May 15, 2026): no advisory affects it
- Newest unaffected release: 9.1.0 (May 15, 2026), the latest release
- Weekly downloads: 14.5M
- Dependents: 1,244
- Releases: 91 since 0.1.0 (Sep 27, 2014)
- Registry: https://pypi.org/project/deepdiff/
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-33155: 5.0.0 to 8.6.1 (8.6.2 is outside it)
- CVE-2025-58367: 5.0.0 to 8.6.0 (8.6.1 is outside it)

## Advisories (2)

### [CVE-2026-33155](https://cve.now/CVE-2026-33155): DeepDiff has Memory Exhaustion DoS through SAFE\_TO\_IMPORT

- Severity: High 8.7
- Published: Mar 20, 2026
- Affected: from 5.0.0, fixed in 8.6.2.
- Fixed in 8.6.2 (released Mar 18, 2026, 2 days before disclosure).
- The latest release, 9.1.0, is not affected.

### [CVE-2025-58367](https://cve.now/CVE-2025-58367): DeepDiff is vulnerable to DoS and Remote Code Execution via Delta class pollution

- Severity: Critical 10.0
- Published: Sep 5, 2025
- Affected: from 5.0.0, fixed in 8.6.1.
- Fixed in 8.6.1 (released Sep 3, 2025, 2 days before disclosure).
- The latest release, 9.1.0, is not affected.

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