CVE-2026-77051 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-89

References

FAQ

What is CVE-2026-77051?

CVE-2026-77051 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 arbitrar...

How severe is CVE-2026-77051?

CVE-2026-77051 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-77051?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.