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Vulnerability record · CVE-2026-44971 · published 27 May 2026

CVE-2026-44971: Server-side request forgery (SSRF) vulnerability

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 .

8.2 CVSS 3.1 High EPSS 0.34% · top 75.7% CWE-918 · Server-side request forgery (SSRF) Deferred
8.2CVSS 3.1 base score
0.34%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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 .

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

References

LinkTags
https://github.com/DataDog/guarddog/security/advisories/GHSA-587r-mc96-6f2p
https://github.com/DataDog/guarddog/security/advisories/GHSA-587r-mc96-6f2p

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Source: NIST National Vulnerability Database (record CVE-2026-44971), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.