Staging Environment: Content and features may be unstable or change without notice.
Advisory details: pypa / pyload-ng/PYSEC-2026-129
Advisory ID pypa/pyload-ng/PYSEC-2026-129
Aliases CVE-2026-42315
GHSA-838g-gr43-qqg9
PYSEC-2026-129
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 5.9
Risk 3.0
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (0)
There are no known CWE.
System Score Found at
cvssv3.1 6.5 https://github.com/pypa/advisory-database/blob/main/vulns/pyload-ng/PYSEC-2026-129.yaml
Reference id Reference type URL
https://github.com/pyload/pyload/security/advisories/GHSA-838g-gr43-qqg9
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N Found at https://github.com/pypa/advisory-database/blob/main/vulns/pyload-ng/PYSEC-2026-129.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

There are no SSVC decisions available.