{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-26057", "tracking": { "current_release_date": "2026-03-23T10:02:44.280461Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-26057", "initial_release_date": "2026-02-17T19:39:44.649805Z", "revision_history": [ { "date": "2026-02-17T19:39:44.649805Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (3).| CWES updated (1)." }, { "date": "2026-02-17T19:39:52.120994Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-02-19T19:27:50.197827Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-02-19T19:27:53.788697Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-02-19T19:55:47.248150Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| References created (2).| CWES updated (1)." }, { "date": "2026-02-19T19:55:54.576052Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-02-19T22:39:28.509672Z", "number": "7", "summary": "Unknown change." }, { "date": "2026-02-19T22:39:49.679936Z", "number": "8", "summary": "References created (1)." }, { "date": "2026-02-20T00:35:45.767089Z", "number": "9", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (3).| Product Identifiers created (2).| References created (3).| CWES updated (1)." }, { "date": "2026-02-20T14:13:48.185063Z", "number": "10", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-02-26T03:21:35.625345Z", "number": "11", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (3).| References created (4).| CWES updated (1)." }, { "date": "2026-02-26T03:24:49.500236Z", "number": "12", "summary": "Products created (1).| Product Identifiers created (1)." }, { "date": "2026-02-26T03:24:51.926291Z", "number": "13", "summary": "NCSC Score updated." }, { "date": "2026-03-02T15:39:47.265780Z", "number": "14", "summary": "Products removed (1)." }, { "date": "2026-03-02T15:52:27.740108Z", "number": "15", "summary": "Source created.| CVE status created. (valid)| Description created for source.| Products created (1)." }, { "date": "2026-03-02T15:52:35.991401Z", "number": "16", "summary": "NCSC Score updated." }, { "date": "2026-03-03T13:10:50.206271Z", "number": "17", "summary": "Products connected (1)." }, { "date": "2026-03-03T13:10:52.622730Z", "number": "18", "summary": "NCSC Score updated." }, { "date": "2026-03-20T09:44:54.714434Z", "number": "19", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-20T09:44:57.640150Z", "number": "20", "summary": "NCSC Score updated." } ], "status": "interim", "version": "20" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/1.0.0", "product": { "name": "vers:unknown/1.0.0", "product_id": "CSAFPID-5643314", "product_identification_helper": { "purl": "pkg:pypi/cisco-ai-skill-scanner@1.0.0" } } }, { "category": "product_version_range", "name": "vers:unknown/1.0.1", "product": { "name": "vers:unknown/1.0.1", "product_id": "CSAFPID-5643315", "product_identification_helper": { "purl": "pkg:pypi/cisco-ai-skill-scanner@1.0.1" } } }, { "category": "product_version_range", "name": "vers:unknown/>=0|<1.0.2", "product": { "name": "vers:unknown/>=0|<1.0.2", "product_id": "CSAFPID-5643316" } } ], "category": "product_name", "name": "cisco-ai-skill-scanner" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/1.0.0", "product": { "name": "vers:unknown/1.0.0", "product_id": "CSAFPID-5723548" } }, { "category": "product_version_range", "name": "vers:unknown/1.0.1", "product": { "name": "vers:unknown/1.0.1", "product_id": "CSAFPID-5723549" } }, { "category": "product_version_range", "name": "vers:unknown/1.0.2", "product": { "name": "vers:unknown/1.0.2", "product_id": "CSAFPID-5723550" } }, { "category": "product_version_range", "name": "vers:unknown/<1.0.2", "product": { "name": "vers:unknown/<1.0.2", "product_id": "CSAFPID-5639792" } } ], "category": "product_name", "name": "skill-scanner" } ], "category": "vendor", "name": "cisco-ai-defense" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<1.0.2", "product": { "name": "vers:unknown/<1.0.2", "product_id": "CSAFPID-5753602" } } ], "category": "product_name", "name": "cisco-ai-skill-scanner" } ], "category": "vendor", "name": "unknown" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<1.0.2", "product": { "name": "vers:unknown/<1.0.2", "product_id": "CSAFPID-5723577", "product_identification_helper": { "cpe": "cpe:2.3:a:cisco:skill_scanner:*:*:*:*:*:python:*:*" } } } ], "category": "product_name", "name": "skill_scanner" } ], "category": "vendor", "name": "cisco" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-26057", "notes": [ { "category": "description", "text": "**Description:**\nA 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.\n\nThis 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.\n\n**Conditions:**\nThis vulnerability affects Skill-scanner 1.0.1 and earlier releases when the API Server is enabled. The API Server is not enabled by default.\n\n**Fixed Software:**\nSkill-scanner software releases 1.0.2 and later contained the fix for this vulnerability.\n\n**For more information:**\nIf you have any questions or comments about this advisory:\n- [Open an issue in cisco-ai-defense/skill-scanner](https://github.com/cisco-ai-defense/skill-scanner/issues)\n- Email Cisco Open Source Security ([oss-security@cisco.com](mailto:oss-security@cisco.com)) and Cisco PSIRT ([psirt@cisco.com](mailto:psirt@cisco.com))\n\n**Credits:**\n\n- Research: Richard Tweed (@RichardoC)\n- Fix ideation and implementation: Richard Tweed (@RichardoC)\n- Release engineering: Vineeth Sai Narajala (@vineethsai7)", "title": "github - https://github.com/advisories/GHSA-ppfx-73j5-fhxc" }, { "category": "description", "text": "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.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-26057" }, { "category": "description", "text": "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.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-26057" }, { "category": "description", "text": "**Description:**\nA 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.\n\nThis 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.\n\n**Conditions:**\nThis vulnerability affects Skill-scanner 1.0.1 and earlier releases when the API Server is enabled. The API Server is not enabled by default.\n\n**Fixed Software:**\nSkill-scanner software releases 1.0.2 and later contained the fix for this vulnerability.\n\n**For more information:**\nIf you have any questions or comments about this advisory:\n- [Open an issue in cisco-ai-defense/skill-scanner](https://github.com/cisco-ai-defense/skill-scanner/issues)\n- Email Cisco Open Source Security ([oss-security@cisco.com](mailto:oss-security@cisco.com)) and Cisco PSIRT ([psirt@cisco.com](mailto:psirt@cisco.com))\n\n**Credits:**\n\n- Research: Richard Tweed (@RichardoC)\n- Fix ideation and implementation: Richard Tweed (@RichardoC)\n- Release engineering: Vineeth Sai Narajala (@vineethsai7)", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/PyPI%2FGHSA-ppfx-73j5-fhxc.json?alt=media" }, { "category": "description", "text": "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.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-26057.json?alt=media" }, { "category": "description", "text": "Affected versions of the cisco-ai-skill-scanner package are vulnerable to Exposure of Resource to Wrong Sphere due to the API Server binding to multiple network interfaces instead of localhost-only. The skill_scanner/api/api_server.py run_server() entry point defaults to a non-local bind address and exposes unauthenticated endpoints such as POST /scan and POST /scan-upload, allowing remote interaction with server-side scanning and file handling when the API Server is enabled.", "title": "pyupio - https://pyupio.github.io/safety-db/#cisco-ai-skill-scanner" }, { "category": "other", "text": "0.00059", "title": "EPSS" }, { "category": "other", "text": "4.7", "title": "NCSC Score" }, { "category": "other", "text": "Is related to a product by vendor Cisco", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "Is related to a product by vendor Unknown", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-5639792", "CSAFPID-5643314", "CSAFPID-5643315", "CSAFPID-5643316", "CSAFPID-5723548", "CSAFPID-5723549", "CSAFPID-5723577", "CSAFPID-5753602", "CSAFPID-5723550" ] }, "references": [ { "category": "external", "summary": "Source - github", "url": "https://github.com/advisories/GHSA-ppfx-73j5-fhxc" }, { "category": "external", "summary": "Source raw - github", "url": "https://api.github.com/advisories/GHSA-ppfx-73j5-fhxc" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26057" }, { "category": "external", "summary": "Source raw - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-26057" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-26057" }, { "category": "external", "summary": "Source raw - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/26xxx/CVE-2026-26057.json" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/PyPI%2FGHSA-ppfx-73j5-fhxc.json?alt=media" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-26057" }, { "category": "external", "summary": "Source raw - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-26057.json?alt=media" }, { "category": "external", "summary": "Source - pyupio", "url": "https://pyupio.github.io/safety-db/#cisco-ai-skill-scanner" }, { "category": "external", "summary": "Source raw - pyupio", "url": "https://raw.githubusercontent.com/pyupio/safety-db/refs/heads/master/data/insecure_full.json" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv", "url": "https://github.com/cisco-ai-defense/skill-scanner/security/advisories/GHSA-ppfx-73j5-fhxc" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv", "url": "https://github.com/cisco-ai-defense/skill-scanner/commit/1e35e57f3051ecc89ba845ae7206321c8eac20a1" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/advisories/GHSA-ppfx-73j5-fhxc" }, { "category": "external", "summary": "Reference - github; osv", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26057" }, { "category": "external", "summary": "Reference - osv", "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26057.json" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM" }, "products": [ "CSAFPID-5639792", "CSAFPID-5643314", "CSAFPID-5643315", "CSAFPID-5643316", "CSAFPID-5723548", "CSAFPID-5723549", "CSAFPID-5723550", "CSAFPID-5723577", "CSAFPID-5753602" ] } ], "title": "CVE-2026-26057" } ] }