Sunday, 13 September 2026
8 agent hacks today 7 vs yesterday (1)

SSRF vulnerability in a11y-mcp MCP server (CVE-2026-5323)

A server-side request forgery flaw was found in the A11yServer function of src/index.js in priyankark's a11y-mcp MCP server up to version 1.0.5, exploitable from a local position. The vendor patched it in version 1.0.6 while noting the server is local stdio-only and not network-accessible.

Disclosed 2 April 2026 · Record updated 13 September 2026

Impact

Local server-side request forgery triggerable by the local user or an LLM acting on their behalf; public exploit available, fixed in version 1.0.6.

Our coverage

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Sources

  1. nvd.nist.govhttps://nvd.nist.gov/vuln/detail/CVE-2026-5323