Is CVE-2026-35459 actively exploited?

No active exploitation of CVE-2026-35459 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-35459 be exploited remotely?

Yes. CVE-2026-35459 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-35459?

CVE-2026-35459 has a CVSS score of 9.1 (CRITICAL).

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CRITICAL

CVE-2026-35459

CWE-918Published: April 6, 2026· Updated: Apr 7, 2026

9.1

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:11.5th

Official 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.

NVD Source

Technical Analysis

CVE-2026-35459 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 9.1.