Path Traversal in Pyload
CVE-2026-42314
pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, package folder names are sanitized using insufficient string replacement. The pattern ....// becomes .._ after replacement (partial removal), leaving .. which can be exploited when the path is later resolved by the OS. This vulnerability is fixed in 0.5.0b3.dev100.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (34.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Pyload — versions < 0.5.0b3.dev100
- Pyload-Ng Project
Weakness classification (CWE)
References
- github.com/pyload/pyload/security/advisories/GHSA-97r3-5w84-r4q8 (Exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-42314?
- CVE-2026-42314 is a medium-severity vulnerability in Pyload, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-05-11.
- How severe is CVE-2026-42314?
- Medium severity. CVSS v3 base score is 6.5 out of 10.