CVE-2026-35459CRITICAL 9.1EPSS p19.5%

CVE-2026-35459CVE-2026-35459

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.

Scoring

CVSS 3.19.1 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS0.28% probability of exploitation · percentile 19.5% · 2026-06-19T12:03:05Z
Published2026-04-06
Last modified2026-04-20

Underlying weaknesses· 1

CWE-918

References

  1. https://github.com/pyload/pyload/commit/33c55da084320430edfd941b60e3da0eb1be9443
  2. https://github.com/pyload/pyload/security/advisories/GHSA-7gvf-3w72-p2pg

1

TypeTargetConfidenceTier
WeaknessServer-Side Request Forgery (SSRF)cwe-9180%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.