GHSA-prmx-7v35-7q82

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Source
https://github.com/advisories/GHSA-prmx-7v35-7q82
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-prmx-7v35-7q82/GHSA-prmx-7v35-7q82.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-prmx-7v35-7q82
Aliases
  • CVE-2026-5323
Published
2026-04-02T09:30:24Z
Modified
2026-04-04T05:50:40.482997Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
  • 1.9 (Low) CVSS_V4 - 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 CVSS Calculator
Summary
a11y-mcp: Server-Side Request Forgery (SSRF) vulnerability in A11yServer function
Details

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."

Database specific 
{
    "severity": "LOW",
    "cwe_ids": [
        "CWE-918"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-04T05:35:52Z",
    "nvd_published_at": "2026-04-02T07:15:58Z"
}
References

Affected packages

npm / a11y-mcp

Package

Name
a11y-mcp
View open source insights on deps.dev
Purl
pkg:npm/a11y-mcp

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.0.5

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-prmx-7v35-7q82/GHSA-prmx-7v35-7q82.json"