CVE WatchJul 24, 2026

CVE-2026-35459

pyLoad is a free and open-source download manager written in Python. In 0.5.0b3.dev96 and earlier, pyLoad has a server-side request forgery

CVSS

9.1

Critical

EPSS

0.3%

p20

KEV

—

Exploit Today

0-100

Published: Apr 6, 2026 · Last modified: Jul 24, 2026 · CWE-918

EPSS · 30d

0.3%EPSS · 30 days0.3%

2026-08-082026-09-04

Technical description

pyLoad is a free and open-source download manager written in Python. In 0.5.0b3.dev96 and earlier, pyLoad has a server-side request forgery (SSRF) vulnerability. The fix for CVE-2026-33992 added IP validation to BaseDownloader.download() that checks the hostname of the initial download URL. However, pycurl is configured with FOLLOWLOCATION=1 and MAXREDIRS=10, causing it to automatically follow HTTP redirects. Redirect targets are never validated against the SSRF filter. An authenticated user with ADD permission can bypass the SSRF fix by submitting a URL that redirects to an internal address.

Official references

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