Vulnerability in Datadog Guarddog
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (41.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Datadog Guarddog — versions < 2.7.1
- Datadoghq Guarddog
Weakness classification (CWE)
References
- github.com/DataDog/guarddog/security/advisories/GHSA-ffj4-jq7m-9g6v (Exploit, Third Party Advisory)
- github.com/DataDog/guarddog/commit/c3fb07b4838945f42497e78b7a02bcfb1e63969b (Patch)
Frequently asked questions
- What is CVE-2026-22870?
- CVE-2026-22870 is a high-severity vulnerability in Datadog Guarddog, classified under Improper Handling of Highly Compressed Data (Data Amplification). CVSS score: 7.5/10. Published 2026-01-13.
- How severe is CVE-2026-22870?
- High severity. CVSS v3 base score is 7.5 out of 10.