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🛡️ CVE-2026-26148 — azure-ad-ssh-login-extension-for-linux

🟠 CVSS 8.1 — High ✅ No Known Exploit CWE-454 NVD
8.1
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

External initialization of trusted variables or data stores in Azure Entra ID allows an unauthorized attacker to elevate privileges locally.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

  • Attack vector: Local — a local account, shell or session on the host is needed.
  • Attack complexity: High — the attacker first has to win a race, learn a secret or otherwise prepare the target.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Changed — a successful attack reaches components beyond the vulnerable one.
  • Confidentiality impact: High — total loss, or loss the attacker controls.
  • Integrity impact: High — total loss, or loss the attacker controls.
  • Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2026-26148 is classified as CWE-454: External Initialization of Trusted Variables or Data Stores. The product initializes critical internal variables or data stores using inputs that can be modified by untrusted actors.

Affected software

CVE-2026-26148 is recorded against 1 package.

  • azure-ad-ssh-login-extension-for-linux (from 1.0.0 up to 1.0.033370002)

Timeline and source

Published on 10 March 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

msrc.microsoft.com

Same weakness in other software

These advisories are the same class of weakness (CWE-454: External Initialization of Trusted Variables or Data Stores) in other software:

Details

Severity HIGH
CVSS Score 8.1
CVSS Vector CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE CWE-454
Public Exploit ✅ No
Source NVD
Published 2026-03-10
Updated 2026-08-20
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
azure-ad-ssh-login-extension-for-linux 1.0.0 1.0.033370002

Site Security Check

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CVE-2026-26148 is rated CVSS 8.1 High. BotEraser scans your installation against known CVE records and tells you whether this vulnerability applies to the versions you actually run.

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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