How many CVEs have patched GetSTSAuthTokenUPNClaim?

1 published CVEs changed GetSTSAuthTokenUPNClaim in fleetdm/fleet, in 1 distinct patches totalling 2 changed lines, between 2026 and 2026.

What is the latest CVE that changed GetSTSAuthTokenUPNClaim?

CVE-2026-23518 (Fleet has a JWT signature bypass vulnerability in Azure AD MDM enrollment), published 2026-01-21, changed lines 221 of server/mdm/microsoft/wstep.go.

How does GetSTSAuthTokenUPNClaim compare to the rest of fleetdm/fleet?

fleetdm/fleet has 14 CVEs with a located fix in total; 1 of them changed GetSTSAuthTokenUPNClaim.

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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fleetdm/fleet

Function

GetSTSAuthTokenUPNClaim

Name: GetSTSAuthTokenUPNClaim in fleetdm/fleet: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

server/mdm/microsoft/wstep.go

Last patched January 21, 2026

1

CVEs

That changed this function

1

Distinct patches

Backports counted once

2

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

GetSTSAuthTokenUPNClaim in fleetdm/fleet was changed by 1 published CVE fixes in 2026, in 1 distinct patches that added or removed 2 lines in total.

fleetdm/fleet has 14 CVEs with a located fix in total, so 7% of them touched this function.

CVEs that patched it

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

Fleet has a JWT signature bypass vulnerability in Azure AD MDM enrollment
CVE-2026-23518 · line 221 · +1 −1
Critical · CVSS 9.3
EPSS 0.3%2026-01-21

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1GetAzureAuthTokenClaimsserver/mdm/microsoft/wstep.go1 CVEs · 1 patches2026

Other hotspots in the repository

Functions in fleetdm/fleet changed by the most CVE fixes.

SearchTargets1 CVEs · server/service/targets.go MDMWindowsGetEnrolledDeviceWithDeviceID1 CVEs · server/datastore/mysql/microsoft_mdm.go isRekeyRequest1 CVEs · pkg/mdm/mdmtest/windows.go SendResponse1 CVEs · pkg/mdm/mdmtest/windows.go doManagementReq1 CVEs · pkg/mdm/mdmtest/windows.go getCredHDR1 CVEs · pkg/mdm/mdmtest/windows.go

All patched functions in fleetdm/fleet

Frequently asked questions

Common questions about CVE fixes to GetSTSAuthTokenUPNClaim.

How many CVEs have patched GetSTSAuthTokenUPNClaim?: 1 published CVEs changed GetSTSAuthTokenUPNClaim in fleetdm/fleet, in 1 distinct patches totalling 2 changed lines, between 2026 and 2026.
What is the latest CVE that changed GetSTSAuthTokenUPNClaim?: CVE-2026-23518 (Fleet has a JWT signature bypass vulnerability in Azure AD MDM enrollment), published 2026-01-21, changed lines 221 of server/mdm/microsoft/wstep.go.
How does GetSTSAuthTokenUPNClaim compare to the rest of fleetdm/fleet?: fleetdm/fleet has 14 CVEs with a located fix in total; 1 of them changed GetSTSAuthTokenUPNClaim.
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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