How severe is CVE-2026-42315?

CVE-2026-42315 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2026-42315 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-42315?

CVE-2026-42315 affects Pyload-ng Project Pyload-ng. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-42315?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-42315 have an EU (EUVD) identifier?

Yes. CVE-2026-42315 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29123.

When was CVE-2026-42315 published?

CVE-2026-42315 was published on 2026-05-11 and last updated on 2026-06-17.

CVE-2026-42315

CVE-2026-42315 is a high-severity vulnerability in Pyload-ng Project Pyload-ng with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29123
Weakness: CWE-22
Affected product: Pyload-ng Project Pyload-ng
Published: 2026-05-11
Last modified: 2026-06-17

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.

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.
How severe is CVE-2026-42315?: CVE-2026-42315 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2026-42315 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-42315?: CVE-2026-42315 affects Pyload-ng Project Pyload-ng. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-42315?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-42315 have an EU (EUVD) identifier?: Yes. CVE-2026-42315 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29123.
When was CVE-2026-42315 published?: CVE-2026-42315 was published on 2026-05-11 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:pyload-ng_project:pyload-ng:*:*:*:*:*:python:*:*

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