CVE-2026-113613 FlexGet before 3.20.7 Path Traversal (Zip Slip) via decompress plugin
Critical 9.2
Published
Updated
Check this codebase for CVE-2026-113613 and fix it if it is affected.
What it is: CVE-2026-113613 is a critical vulnerability in FlexGet, published on 20 Oct 2026.
Exploitation: There is no known exploitation of CVE-2026-113613 in the wild and no public exploit code.
Affected product: FlexGet. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2026-113613/ (Markdown: https://insights.sbomify.com/CVE-2026-113613/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-113613?
CVE-2026-113613 is a critical vulnerability in FlexGet, published on 20 Oct 2026.
Official 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.
Weakness: CWE-22
Which versions are affected by CVE-2026-113613?
How do I fix CVE-2026-113613?
No fix has been published for CVE-2026-113613 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-113613 being exploited?
There is no known exploitation of CVE-2026-113613 in the wild and no public exploit code.
Sources
Also known as GHSA-6v57-v478-59v9, GHSA-h98p-724m-phfr.