How severe is CVE-2026-22871?

CVE-2026-22871 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-22871 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-22871?

CVE-2026-22871 affects Datadoghq Guarddog. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-22871?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-22871 have an EU (EUVD) identifier?

Yes. CVE-2026-22871 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2012.

When was CVE-2026-22871 published?

CVE-2026-22871 was published on 2026-01-13 and last updated on 2026-06-17.

CVE-2026-22871

CVE-2026-22871 is a critical-severity vulnerability in Datadoghq Guarddog with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 8.7
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-2012
Weakness: CWE-22
Affected product: Datadoghq Guarddog
Published: 2026-01-13
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-22871?: 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.
How severe is CVE-2026-22871?: CVE-2026-22871 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-22871 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-22871?: CVE-2026-22871 affects Datadoghq Guarddog. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-22871?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-22871 have an EU (EUVD) identifier?: Yes. CVE-2026-22871 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2012.
When was CVE-2026-22871 published?: CVE-2026-22871 was published on 2026-01-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:datadoghq:guarddog:*:*:*:*:*:python:*:*

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