CVE-2026-33117 — Security feature bypass vulnerability in...

CRITICAL

Security feature bypass vulnerability in Azure Key Vault Keys library for Java

Published May 12, 2026Updated September 10, 2026Source: osv

Summary

The Java Key Vault Keys library in the Azure SDK for Java contains an issue in the local cryptographic verification path where authentication tag comparison was implemented incorrectly. In affected applications that use the vulnerable local cryptography path, specially crafted encrypted input may bypass integrity verification checks. Operations delegated to the Key Vault service are not affected. The issue is addressed in version 4.10.6.

Advisory Timeline

First published May 12, 2026 (153 days ago).
Last revised September 10, 2026 — 120 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Maven

Update com.azure:azure-security-keyvault-keys to 4.10.6 or later

<!-- Update pom.xml dependency version to 4.10.6 for com.azure:azure-security-keyvault-keys -->

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: maven (1).

Package	Ecosystem	Affected	Fixed In
com.azure:azure-security-keyvault-keys	maven	4.0.0, 4.0.1, 4.1.0, 4.1.1 (+88 more)	4.10.6

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CWE-287
Improper AuthenticationMITRE
CWE-347
Improper Verification of Cryptographic SignatureMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.1 score means for each attack dimension.

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References

Frequently Asked Questions

What is CVE-2026-33117?: Security feature bypass vulnerability in Azure Key Vault Keys library for Java This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.1/10).
How do I check if my project is affected by CVE-2026-33117?: CVE-2026-33117 affects com.azure:azure-security-keyvault-keys. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-33117 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score

9.1

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-97jf-46m3-8953

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