CVE-2026-77051 Apache Syncope: SQL injection via unsanitized entityKey and opEvent in Audit Events search
Administrators can execute arbitrary SQL commands via unsanitized parameters in the Audit Events search feature of Apache Syncope.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-77051?
CVE-2026-77051 is a critical SQL injection vulnerability in Apache Syncope, published on 14 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-89
Which versions are affected by CVE-2026-77051?
How do I fix CVE-2026-77051?
No fix has been published for CVE-2026-77051 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-77051 being exploited?
There is no known exploitation of CVE-2026-77051 in the wild and no public exploit code.
Sources
Also known as GHSA-qq7g-v262-hrq8.