cisco-ai-defense skill-scanner up to 1.0.1 Server API exposure of resource

Summaryinfo

A vulnerability identified as problematic has been detected in cisco-ai-defense skill-scanner up to 1.0.1. The affected element is an unknown function of the component Server API. This manipulation causes exposure of resource. This vulnerability is tracked as CVE-2026-26057. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in cisco-ai-defense skill-scanner up to 1.0.1. It has been declared as problematic. Affected by this vulnerability is some unknown functionality of the component Server API. The manipulation with an unknown input leads to a exposure of resource vulnerability. The CWE definition for the vulnerability is CWE-668. The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource. As an impact it is known to affect confidentiality. The summary by CVE is:

Skill Scanner is a security scanner for AI Agent Skills that detects prompt injection, data exfiltration, and malicious code patterns. A vulnerability in the API Server of Skill Scanner could allow a unauthenticated, remote attacker to interact with the server API and either trigger a denial of service (DoS) condition or upload arbitrary files. This vulnerability is due to an erroneous binding to multiple interfaces. An attacker could exploit this vulnerability by sending API requests to a device exposing the affected API Server. A successful exploit could allow the attacker to consume an excessive amount of resources (memory starvation) or to upload files to arbitrary folders on the affected device. This vulnerability affects Skill-scanner 1.0.1 and earlier releases when the API Server is enabled. The API Server is not enabled by default. Skill-scanner software releases 1.0.2 and later contain the fix for this vulnerability.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-26057 since 02/10/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 02/27/2026).

Upgrading to version 1.0.2 eliminates this vulnerability. Applying the patch 1e35e57f3051ecc89ba845ae7206321c8eac20a1 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

• Artificial Intelligence Software

Vendor

• cisco-ai-defense

Name

• skill-scanner

Version

• 1.0.0
• 1.0.1

License

• open-source

Website

• Product: https://github.com/cisco-ai-defense/skill-scanner/

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CPE 2.2info

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