CVE-2026-42315

Description

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, when passing a folder name in the set_package_data() API function call inside the data object with key "_folder", there is no sanitization at all, allowing a user with Perms.MODIFY to specify arbitrary directories as download locations for a package. This vulnerability is fixed in 0.5.0b3.dev100.

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CVSS v3.1 Score

8.1

HIGH

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

EPSS — Exploit Prediction

0.0006

Probability of exploitation

0.19%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-22 Path Traversal

CWE-36 CWE-36

Affected Products

Vendor	Product	Versions
pyload-ng_project	pyload-ng	< 0.5.0b3.dev100

References

Advisories & Patches

https://github.com/pyload/pyload/security/advisories/GHSA-838g-gr43-qqg9 https://github.com/pyload/pyload/security/advisories/GHSA-838g-gr43-qqg9

Exploits

https://github.com/pyload/pyload/security/advisories/GHSA-838g-gr43-qqg9 https://github.com/pyload/pyload/security/advisories/GHSA-838g-gr43-qqg9

Frequently Asked Questions

What is CVE-2026-42315? +

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, when passing a folder name in the set_package_data() API function call inside the data object with key "_folder", there is no sanitization at all, allowing a user with Perms.MODIFY to specify arbitrary directories as download locations for a package. This vulnerability is fixed in 0.5.0b3.dev100. It has a CVSS v3.1 base score of 8.1 (HIGH).

How severe is CVE-2026-42315? +

CVE-2026-42315 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0006, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-42315? +

CVE-2026-42315 affects products from pyload-ng_project, specifically: pyload-ng. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-42315? +

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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