CVE-2026-87779CWE-532

CVE-2026-87779

High · published September 14, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
36.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00432 · 36.4th percentile
Weakness
CWE-532 · Insertion of Sensitive Information into Log File
Published
2026-09-14T15:17Z
References (2)
EPSS history
Timeline
  • 17 SEP 03:33Z
    EPSS moved — → 0%
    epss
  • 14 SEP 10:42Z
    Apache Syncope: AES Secret Key disclosure via log output
    cvelistv5