CVE-2026-77051CWE-89sql-injection

CVE-2026-77051

Critical · published September 14, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
48.1
In the wild
Unconfirmed
What it is

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Apache Syncope.

An administrator with adequate entitlements can achieve execution of arbitrary SQL via stacked queries, leveraging unsanitized entityKey and opEvent parameters.

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00602 · 48.1th percentile
Weakness
CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Published
2026-09-14T17:18Z
References (2)
https://lists.apache.org/thread/lv2mm7wojmxwz29jr0zy469p9zbz23f7 · [email protected]http://www.openwall.com/lists/oss-security/2026/09/14/14 · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 17 SEP 03:32Z
    EPSS moved — → 1%
    epss
  • 14 SEP 12:52Z
    Apache Syncope: SQL injection via unsanitized entityKey and opEvent in Audit Events search
    cvelistv5