PT-2026-29684 · Priyankark · A11Y-Mcp

Bigw · Published 2026-04-02 · Updated 2026-04-02 · CVE-2026-5323

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions priyankark a11y-mcp versions up to 1.0.5

Description A flaw exists in the A11yServer function within the src/index.js file of priyankark a11y-mcp. This issue allows for server-side request forgery when initiated locally. The exploit is publicly available. The product follows a rolling release model, so specific version details for fixes are not available.

Recommendations Upgrade to version 1.0.6 to resolve the issue.

Exploit

Fix

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

CVE-2026-5323

GHSA-PRMX-7V35-7Q82

Affected Products

A11Y-Mcp

References · 9

• 🔥 https://github.com/wing3e/public_exp/issues/17 · Exploit
• https://github.com/priyankark/a11y-mcp/commit/e3e11c9e8482bd06b82fd9fced67be4856f0dffc · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-5323 · Security Note
• https://osv.dev/vulnerability/GHSA-prmx-7v35-7q82 · Vendor Advisory
• https://github.com/priyankark/a11y-mcp · Note
• https://twitter.com/CVEnew/status/2039647709196587263 · Twitter Post
• https://vuldb.com/submit/780752 · Note
• https://vuldb.com/vuln/354655/cti · Note
• https://vuldb.com/vuln/354655 · Note