CVE WatchSep 14, 2026

CVE-2026-77883

Exposure of sensitive information through data queries vulnerability in Apache Syncope. An administrator with adequate entitlements for Der

CVSS

4.9

Medium

EPSS

0.4%

p31

KEV

—

Exploit Today

0-100

Published: Sep 14, 2026 · Last modified: Sep 14, 2026 · CWE-202

EPSS · 30d

0.4%EPSS · 30 days0.4%

2026-09-152026-09-20

Technical description

Exposure of sensitive information through data queries vulnerability in Apache Syncope. An administrator with adequate entitlements for Derived Schemas can create a malicious JEXL expression which allows any administrator with sufficient entitlements for User read to access LinkedAccount's (if present) or Manager's (if defined) sensitive information, possibly including hashed credentials. 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.

Official references

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