Path Traversal in Flexget
CVE-2026-113613
FlexGet before 3.20.7 contains a path traversal vulnerability in the decompress plugin that allows remote attackers to write arbitrary files by supplying malicious archive member paths. Attackers can deliver zip or rar archives with ../ sequences or absolute paths through a feed, writing Python files into the plugins directory for code execution.
Vulnerability class: Path Traversal (Directory Traversal)
Published .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/Flexget/Flexget/security/advisories/GHSA-6v57-v478-59v9 (vendor-advisory)
- github.com/Flexget/Flexget/commit/38fa748461e20befee942f5c79d8a098edea5c1f (patch)
- github.com/Flexget/Flexget/releases/tag/v3.20.7 (release-notes)
- github.com/Flexget/Flexget/blob/v3.20.6/flexget/components/archives/decompress… (technical-description)
- www.vulncheck.com/advisories/flexget-before-3.20.7-path-traversal-zip-slip-via-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-113613?
- CVE-2026-113613 is a high-severity vulnerability in Flexget, classified under Path Traversal. CVSS score: 8.1/10. Published 2026-10-20.
- How severe is CVE-2026-113613?
- High severity. CVSS v3 base score is 8.1 out of 10.