How severe is CVE-2026-22870?

CVE-2026-22870 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-22870 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-22870?

CVE-2026-22870 affects Datadoghq Guarddog. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-22870?

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

Does CVE-2026-22870 have an EU (EUVD) identifier?

Yes. CVE-2026-22870 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2013.

When was CVE-2026-22870 published?

CVE-2026-22870 was published on 2026-01-13 and last updated on 2026-06-17.

CVE-2026-22870

CVE-2026-22870 is a high-severity vulnerability in Datadoghq Guarddog with a CVSS 3.x base score of 7.5. 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-409.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 7.1
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-2013
Weakness: CWE-409
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, GuardDog's safe_extract() function does not validate decompressed file sizes when extracting ZIP archives (wheels, eggs), allowing attackers to cause denial of service through zip bombs. A malicious package can consume gigabytes of disk space from a few megabytes of compressed data. This vulnerability is fixed in 2.7.1.

Frequently asked questions

What is CVE-2026-22870?: GuardDog is a CLI tool to identify malicious PyPI packages. Prior to 2.7.1, GuardDog's safe_extract() function does not validate decompressed file sizes when extracting ZIP archives (wheels, eggs), allowing attackers to cause denial of service through zip bombs. A malicious package can consume gigabytes of disk space from a few megabytes of compressed data. This vulnerability is fixed in 2.7.1.
How severe is CVE-2026-22870?: CVE-2026-22870 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-22870 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-22870?: CVE-2026-22870 affects Datadoghq Guarddog. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-22870?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-22870 have an EU (EUVD) identifier?: Yes. CVE-2026-22870 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2013.
When was CVE-2026-22870 published?: CVE-2026-22870 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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