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Message-ID: <107e44a4-6ed7-6638-af97-a206d701ac93@apache.org>
Date: Mon, 14 Sep 2026 08:47:17 +0000
From: Francesco Chicchiriccò <ilgrosso@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2026-87779: Apache Syncope: AES Secret Key disclosure via log
output
Severity: important
Affected versions:
- Apache Syncope (org.apache.syncope.core:syncope-core-spring) 3.0.15 through 3.0.16
- Apache Syncope (org.apache.syncope.core:syncope-core-spring) 4.0.3 through 4.0.7
- Apache Syncope (org.apache.syncope.core:syncope-core-spring) 4.1.0-M0 through 4.1.2
Description:
Insertion of sensitive information into log file vulnerability in Apache Syncope.
When AES key of non-standard length (not 16/24/32 bytes) is configured, Syncope will pad the provided value with random characters. The resulting key value is logged.
This issue affects Apache Syncope: from 3.0.15 through 3.0.16, from 4.0.3 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.
Credit:
CyberLeo (finder)
References:
https://syncope.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-87779
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