PT-2026-29904 · Microsoft · Azure Mcp Server+1

Sriharsha Pallekonda + 1 · Published 2026-04-02 · Updated 2026-04-29 · CVE-2026-32211

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Azure Web Apps (affected versions not specified)

Description An issue exists in Azure MCP Server where missing authentication for a critical function allows an unauthorized attacker to disclose information over a network.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Missing Authentication

Weakness Enumeration

CWE-306

Related Identifiers

CVE-2026-32211

Affected Products

Azure Mcp Server

Azure Web Apps

References · 14

• https://nvd.nist.gov/vuln/detail/CVE-2026-32211 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32211 · Vendor Advisory
• https://twitter.com/ptdbugs/status/2039873163828326873 · Twitter Post
• https://twitter.com/CveFindCom/status/2039866199467545000 · Twitter Post
• https://twitter.com/CVEnew/status/2040128749719425285 · Twitter Post
• https://reddit.com/r/mcp/comments/1syybov/things_i_learned_the_hard_way_wiring_mcp_into_our · Reddit Post
• https://twitter.com/AgentTresor/status/2040686073760600501 · Twitter Post
• https://twitter.com/TheHackerWire/status/2039890933655929169 · Twitter Post
• https://reddit.com/r/AIcosts/comments/1syyemx/things_i_learned_the_hard_way_wiring_mcp_into_our · Reddit Post
• https://twitter.com/CVEarity/status/2039954654193484102 · Twitter Post
• https://reddit.com/r/MCPservers/comments/1syydjg/things_i_learned_the_hard_way_wiring_mcp_into_our · Reddit Post
• https://twitter.com/GeorgeBevis/status/2043612532406202620 · Twitter Post
• https://twitter.com/NYsquaredAI/status/2041880930378555634 · Twitter Post
• https://twitter.com/Sattyamjjain/status/2046511528984375587 · Twitter Post