CVE-2026-22871: GuardDog is a CLI tool to identify malicious PyPI packages

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2026-22871 is a critical-severity flaw (CVSS 9.8) affecting guarddog. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

GuardDog is a CLI tool to identify malicious PyPI packages. Prior to 2.7.1, there is a path traversal vulnerability exists in GuardDog's safe_extract() function that allows malicious PyPI packages to write arbitrary files outside the intended extraction directory, leading to Arbitrary File Overwrite and Remote Code Execution on systems running GuardDog. This vulnerability is fixed in 2.7.1.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-22
Published	2026-01-13
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: datadoghq

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-01-13 21:15 UTCPublished CVE record published
2026-06-17 10:20 UTCUpdated Record last modified

datadoghq guarddog UPGRADE

Affected: < 2.7.1

Fixed in: 2.7.1

Safe to downgrade to: no unaffected older release

1. Check installed version

pip show guarddog

2. UPGRADE to 2.7.1

pip install --upgrade "guarddog>=2.7.1"

Exact fixes by distribution

Python (pip) · guarddog · FIXED · 2.7.1 · vulnerable: < 2.7.1 · source

pip install --upgrade "guarddog>=2.7.1" pip show guarddog

Fedora 46 · php-pecl-yac · FIXED · 3.0.2-1.fc46 · FEDORA-2026-0322a78385 · source

sudo dnf upgrade --advisory=FEDORA-2026-0322a78385

Fedora ELN · openldap · FIXED · 2.6.16-1.eln159 · FEDORA-2026-4b30c86326 · source

sudo dnf upgrade --advisory=FEDORA-2026-4b30c86326

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-22871?

guarddog: upgrade to 2.7.1. Exact commands for each OS are on this page.

Is CVE-2026-22871 being exploited?

CVE-2026-22871 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-22871 affect?

CVE-2026-22871 affects guarddog. Severity is critical (CVSS 9.8). GuardDog is a CLI tool to identify malicious PyPI packages. Prior to 2.7.1, there is a path traversal vulnerability exists in GuardDog's safe_extract() function that allows malicious PyPI packages to write arbitrary files outside the intend

How urgent is CVE-2026-22871?

Priority 55/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

PyPI packages vulnerabilities

Related CVEs

CVE-2026-22870 HIGH 7.5 UPGRADE GuardDog is a CLI tool to identify malicious PyPI packages

References

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