lllyasviel Fooocus up to 2.5.5 code injection

Summaryinfo

A vulnerability has been found in lllyasviel Fooocus up to 2.5.5 and classified as critical. This affects an unknown part. The manipulation leads to code injection. This vulnerability is documented as CVE-2025-31114. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in lllyasviel Fooocus up to 2.5.5. This issue affects an unknown part. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at securitylab.github.com. The identification of this vulnerability is CVE-2025-31114 since 03/26/2025. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/11/2026). MITRE ATT&CK project uses the attack technique T1059 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• lllyasviel

Name

• Fooocus

Version

• 2.5.0
• 2.5.1
• 2.5.2
• 2.5.3
• 2.5.4
• 2.5.5

CPE 2.3info

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CPE 2.2info

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