CVE-2026-113613

Description

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.

References

• https://github.com/Flexget/Flexget/blob/v3.20.6/flexget/components/archives/decompress.py#L74-L77
• https://github.com/Flexget/Flexget/commit/38fa748461e20befee942f5c79d8a098edea5c1f
• https://github.com/Flexget/Flexget/releases/tag/v3.20.7
• https://github.com/Flexget/Flexget/security/advisories/GHSA-6v57-v478-59v9
• https://www.vulncheck.com/advisories/flexget-before-3.20.7-path-traversal-zip-slip-via-decompress-plugin