omarchy-theme-set in Omarchy 4 before 4.0.1 allows code execution via a third-party theme because the files placed into ~/.local/state/om…
CVE-2026-108913 · published 11 Oct 2026
How serious is it
- Severity: high, CVSS score 7.1 out of 10.
- No exploit prediction (EPSS) score yet.
- Not on the CISA list of exploited vulnerabilities.
- No public exploit in Exploit-DB.
Is your app affected by CVE-2026-108913?
Paste this prompt into Claude Code, Cursor or any AI coding tool: it runs a free Shippable scan of your project and fixes what it finds. Built with Lovable, Bolt or v0? Scan your live app. Or upload your package file.
Who is affected
- Omarchy Omarchy: 4.0.0 to < 4.0.1
How to check
- Find out whether you run the affected product and which version, then compare it with the versions above.
How to fix
Copies a prompt for Claude Code, Cursor or Codex that asks it to check whether you run this product.
- Apply the vendor's update or mitigation from the references below. If there is none yet, limit exposure of the affected service until there is.
- If a vulnerable version was live, check your logs and rotate the secrets that server could read.
The advisory
omarchy-theme-set in Omarchy 4 before 4.0.1 allows code execution via a third-party theme because the files placed into ~/.local/state/omarchy/current/theme may include executable content from an untrusted Git repository.
Check your whole app
Dependencies are only half of it. Free and read-only: before you push, run npx shippable-dev scan localhost:3000 in your project folder, no account needed. For your live app, you prove it's yours with a one-line tag first.
References
- github.com/omacom/omarchy/commit/ef6d9e6605b121df15bf310e630e04f0c1119fc8
- github.com/omacom/omarchy/pull/7884
- github.com/omacom/omarchy/releases/tag/v4.0.1
- github.com/omacom/omarchy/security/advisories/GHSA-mxm5-5433-ggf5
- www.aeon.fun/security/advisories/omarchy-theme-install-code-execution
Merged from NVD. Last updated 25 Oct 2026. All vulnerabilities · RSS · JSON