{ "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-2026-5323", "tracking": { "current_release_date": "2026-04-02T14:57:58.841071Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-5323", "initial_release_date": "2026-04-01T15:51:42.003319Z", "revision_history": [ { "date": "2026-04-01T15:51:42.003319Z", "number": "1", "summary": "NCSC Score created." }, { "date": "2026-04-02T07:25:31.830458Z", "number": "2", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (6).| CWES updated (1)." }, { "date": "2026-04-02T07:25:38.844896Z", "number": "3", "summary": "NCSC Score updated." }, { "date": "2026-04-02T07:38:36.326651Z", "number": "4", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (6).| Products created (1).| Exploits created (1).| References created (5).| CWES updated (1)." }, { "date": "2026-04-02T07:38:46.403357Z", "number": "5", "summary": "NCSC Score updated." }, { "date": "2026-04-02T14:54:18.522977Z", "number": "6", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-04-02T14:54:27.676327Z", "number": "7", "summary": "NCSC Score updated." } ], "status": "interim", "version": "7" } }, "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-5974305" } }, { "category": "product_version_range", "name": "vers:unknown/1.0.1", "product": { "name": "vers:unknown/1.0.1", "product_id": "CSAFPID-5974306" } }, { "category": "product_version_range", "name": "vers:unknown/1.0.2", "product": { "name": "vers:unknown/1.0.2", "product_id": "CSAFPID-5974307" } }, { "category": "product_version_range", "name": "vers:unknown/1.0.3", "product": { "name": "vers:unknown/1.0.3", "product_id": "CSAFPID-5974308" } }, { "category": "product_version_range", "name": "vers:unknown/1.0.4", "product": { "name": "vers:unknown/1.0.4", "product_id": "CSAFPID-5974309" } }, { "category": "product_version_range", "name": "vers:unknown/1.0.5", "product": { "name": "vers:unknown/1.0.5", "product_id": "CSAFPID-5974311" } }, { "category": "product_version_range", "name": "vers:unknown/1.0.6", "product": { "name": "vers:unknown/1.0.6", "product_id": "CSAFPID-5983812" } } ], "category": "product_name", "name": "a11y-mcp" } ], "category": "vendor", "name": "priyankark" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-5323", "cwe": { "id": "CWE-918", "name": "Server-Side Request Forgery (SSRF)" }, "notes": [ { "category": "description", "text": "A vulnerability was found in priyankark a11y-mcp up to 1.0.5. This vulnerability affects the function A11yServer of the file src/index.js. The manipulation results in server-side request forgery. The attack must be initiated from a local position. The exploit has been made public and could be used. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. Upgrading to version 1.0.6 is able to resolve this issue. The patch is identified as e3e11c9e8482bd06b82fd9fced67be4856f0dffc. It is recommended to upgrade the affected component. The vendor acknowledged the issue but provides additional context for the CVSS rating: \"a11y-mcp is a local stdio MCP server - it has no HTTP endpoint and is not network-accessible. The caller is always the local user or an LLM acting on their behalf with user approval.\"", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-5323" }, { "category": "description", "text": "A vulnerability was found in priyankark a11y-mcp up to 1.0.5. This vulnerability affects the function A11yServer of the file src/index.js. The manipulation results in server-side request forgery. The attack must be initiated from a local position. The exploit has been made public and could be used. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. Upgrading to version 1.0.6 is able to resolve this issue. The patch is identified as e3e11c9e8482bd06b82fd9fced67be4856f0dffc. It is recommended to upgrade the affected component. The vendor acknowledged the issue but provides additional context for the CVSS rating: \"a11y-mcp is a local stdio MCP server - it has no HTTP endpoint and is not network-accessible. The caller is always the local user or an LLM acting on their behalf with user approval.\"", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/5xxx/CVE-2026-5323.json" }, { "category": "other", "text": "0.00012", "title": "EPSS" }, { "category": "other", "text": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "title": "CVSSV4" }, { "category": "other", "text": "1.9", "title": "CVSSV4 base score" }, { "category": "other", "text": "3.5", "title": "NCSC Score" }, { "category": "other", "text": "There is cwe data available from source Nvd, There is exploit data available from source Cveprojectv5, Exploit code publicly available", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-5974305", "CSAFPID-5974306", "CSAFPID-5974307", "CSAFPID-5974308", "CSAFPID-5974309", "CSAFPID-5974311" ], "known_not_affected": [ "CSAFPID-5983812" ] }, "references": [ { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-5323" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/5xxx/CVE-2026-5323.json" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://github.com/priyankark/a11y-mcp/" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://github.com/priyankark/a11y-mcp/commit/e3e11c9e8482bd06b82fd9fced67be4856f0dffc" }, { "category": "external", "summary": "Reference - nvd", "url": "https://github.com/wing3e/public_exp/issues/17" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://vuldb.com/submit/780752" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://vuldb.com/vuln/354655" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://vuldb.com/vuln/354655/cti" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "baseScore": 5.3, "baseSeverity": "MEDIUM" }, "products": [ "CSAFPID-5974305", "CSAFPID-5974306", "CSAFPID-5974307", "CSAFPID-5974308", "CSAFPID-5974309", "CSAFPID-5974311" ] } ], "title": "CVE-2026-5323" } ] }