CVE-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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
pyload-ngPyPI | <= 0.5.0b3.dev96 | — |
Affected products
2Patches
Vulnerability mechanics
References
5- github.com/pyload/pyload/commit/33c55da084320430edfd941b60e3da0eb1be9443nvdPatchWEB
- github.com/pyload/pyload/security/advisories/GHSA-7gvf-3w72-p2pgnvdExploitMitigationVendor AdvisoryWEB
- github.com/advisories/GHSA-7gvf-3w72-p2pgghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-33992ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-35459ghsaADVISORY
News mentions
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