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OpenAdvisories
High · 8.2 CVE-2026-44971 EUVD-2026-32535GHSA-587r-mc96-6f2pPYSEC-2026-2505

GuardDog: Blind GitHub URL rewrite in remote project scanning causes SSRF and `GH_TOKEN` exfiltration

Published May 27, 2026 · Updated May 27, 2026 · Assigned by GitHub_M

Description

GuardDog is a CLI tool to identify malicious PyPI packages. From 1.0.0 to 2.9.0, the programmatic remote project scanning path rewrites attacker-controlled repository URLs using a blind string replacement and then sends the caller's GitHub credentials with the resulting request. This allows an attacker who can influence the scanned repository URL to trigger SSRF and capture the GH_TOKEN used by GuardDog. This vulnerability is fixed in .

Affected products

VendorProductAffectedFixed
DataDog guarddog >= 1.0.0, <= 2.9.0 —

Affected packages

EcosystemPackageAffectedFixedRecord
PyPI guarddog >= 1.0.0, <= 2.9.0 — GHSA-587r-mc96-6f2p

References