Path traversal in FlexGet decompress plugin enables file writes
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
FlexGet before 3.20.7 contains a path traversal flaw (CWE-22) in its decompress plugin. The plugin does not restrict archive member paths, so a remote attacker can write arbitrary files. An attacker delivers a zip or rar archive with ../ sequences or absolute paths through a feed, which can write Python files into the plugins directory for code execution.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Upgrade FlexGet to version 3.20.7, the fixed version.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
- Fix · CNA FlexGet (FlexGet) Fixed in 3.20.7
Timeline
- 2026-10-20 Threatist record created from CVE-2026-113613
- 2026-10-21 Alias added: GHSA-h98p-724m-phfr
- 2026-10-21 CISA SSVC decision points changed
- 2026-10-21 Priority changed: MEDIUM → LOW
- 2026-10-22 Priority changed: LOW → MEDIUM
References
Sources
- CVE-2026-113613 · CVE Program
- CVE-2026-113613 · NVD
- FIRST EPSS
- GHSA-h98p-724m-phfr · GitHub Advisory Database · CC BY 4.0
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