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High severity7.5NVD Advisory· Published Sep 14, 2026· Updated Sep 14, 2026

CVE-2026-73178

CVE-2026-73178

Description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Syncope.

An administrator with adequate entitlements can get access via REST to the list of existing Access Tokens, including their signed JWT body. These values can be then used to perform further REST requests, impersonating users with higher administration entitlements.

This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through 4.0.7, from 4.1.0-M0 through 4.1.2.

Users are recommended to upgrade to version 4.0.8 / 4.1.3, which fix this issue.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Apache/Syncopeinferred2 versions
    >=4.1.0-M0,<4.1.3+ 1 more
    • (no CPE)range: >=4.1.0-M0,<4.1.3
    • (no CPE)range: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through 4.0.7, from 4.1.0-M0 through 4.1.2

Patches

Vulnerability mechanics

References

2

News mentions

3