CVE-2025-5174: pypickle Input Validation Flaw — Exploit

Description

A vulnerability was found in erdogant pypickle up to 1.1.5 and classified as problematic. Affected by this issue is the function load of the file pypickle/pypickle.py. The manipulation leads to deserialization. Local access is required to approach this attack. 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 identified as 14b4cae704a0bb4eb6723e238f25382d847a1917. It is recommended to upgrade the affected component.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-20 Improper Input Validation

CWE-502 Deserialization of Untrusted Data

Affected Products

Vendor	Product	Versions
erdogant	pypickle	< 2.0.0

References

Advisories & Patches

https://github.com/erdogant/pypickle/commit/14b4cae704a0bb4eb6723e238f25382d847a1917 https://github.com/erdogant/pypickle/issues/2 https://github.com/erdogant/pypickle/issues/2#issuecomment-2889146579 https://github.com/erdogant/pypickle/issues/2

Exploits

https://github.com/erdogant/pypickle/issues/2 https://github.com/erdogant/pypickle/issues/2#issuecomment-2889146579 https://github.com/erdogant/pypickle/issues/2

Other References

https://github.com/erdogant/pypickle/releases/tag/2.0.0 https://vuldb.com/?ctiid.310262 https://vuldb.com/?id.310262 https://vuldb.com/?submit.579157

Frequently Asked Questions

What is CVE-2025-5174? +

A vulnerability was found in erdogant pypickle up to 1.1.5 and classified as problematic. Affected by this issue is the function load of the file pypickle/pypickle.py. The manipulation leads to deserialization. Local access is required to approach this attack. 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 identified as 14b4cae704a0bb4eb6723e238f25382d847a1917. It is recommended to upgrade the affected component. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-5174? +

CVE-2025-5174 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-5174? +

CVE-2025-5174 affects products from erdogant, specifically: pypickle. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-5174? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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