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.

CVSS v3.1

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

CVSS v3.1

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

EPSS

0.34% chance of exploitation in the next 30 days, 27th percentile

Published

2026-05-11

Proof-of-concept exploits (1)

• advisories/GHSA-97r3-5w84-r4q8

References

• CVE Record
• NVD entry

Related

• CVE-2026-42313
• CVE-2026-42315
• CVE-2026-42312
• CVE-2026-4232
• CVE-2026-4231
• CVE-2026-4233