How many CVEs have patched mcpAuthMiddleware?

2 published CVEs changed mcpAuthMiddleware in googleapis/mcp-toolbox, in 2 distinct patches totalling 8 changed lines, between 2026 and 2026.

What is the latest CVE that changed mcpAuthMiddleware?

CVE-2026-11719 (MCP Toolbox for Databases: authenticated authorization bypass), published 2026-06-18, changed lines 514 to 544 of internal/server/server.go.

How does mcpAuthMiddleware compare to the rest of googleapis/mcp-toolbox?

googleapis/mcp-toolbox has 14 CVEs with a located fix in total; 2 of them changed mcpAuthMiddleware.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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googleapis/mcp-toolbox

Function

mcpAuthMiddleware

Name: mcpAuthMiddleware in googleapis/mcp-toolbox: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

internal/server/server.go

Last patched June 18, 2026

2

CVEs

That changed this function

2

Distinct patches

Backports counted once

8

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

mcpAuthMiddleware in googleapis/mcp-toolbox was changed by 2 published CVE fixes in 2026, in 2 distinct patches that added or removed 8 lines in total.

googleapis/mcp-toolbox has 14 CVEs with a located fix in total, so 14% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed mcpAuthMiddleware, newest first, with the lines each fix touched.

MCP Toolbox for Databases: authenticated authorization bypass
CVE-2026-11719 · lines 514–544 · +5 −1 in 2 hunks
High · CVSS 8.6
EPSS 0.1%2026-06-18
googleapis/mcp-toolbox: authentication bypass vulnerability in the generic opaque token validation path (validateOpaqueToken)
CVE-2026-11717 · line 517 · +1 −1
Critical · CVSS 9.3
EPSS 0.2%2026-06-18

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Other functions in these files

Functions in the same file that CVE fixes also changed.

Other hotspots in the repository

Functions in googleapis/mcp-toolbox changed by the most CVE fixes.

NewServer3 CVEs · internal/server/server.go httpHandler3 CVEs · internal/server/mcp.go validateClaims3 CVEs · internal/auth/generic/generic.go discoverOIDCConfig3 CVEs · internal/auth/generic/generic.go toolsCallHandler2 CVEs · internal/server/mcp/v20251125/method.go Initialize2 CVEs · internal/auth/google/google.go

All patched functions in googleapis/mcp-toolbox

Frequently asked questions

Common questions about CVE fixes to mcpAuthMiddleware.

How many CVEs have patched mcpAuthMiddleware?: 2 published CVEs changed mcpAuthMiddleware in googleapis/mcp-toolbox, in 2 distinct patches totalling 8 changed lines, between 2026 and 2026.
What is the latest CVE that changed mcpAuthMiddleware?: CVE-2026-11719 (MCP Toolbox for Databases: authenticated authorization bypass), published 2026-06-18, changed lines 514 to 544 of internal/server/server.go.
How does mcpAuthMiddleware compare to the rest of googleapis/mcp-toolbox?: googleapis/mcp-toolbox has 14 CVEs with a located fix in total; 2 of them changed mcpAuthMiddleware.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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