CVE-2026-57308 Apache Software Foundation CVE debrief

Who should care

Users of Apache Syncope from versions 3.0.0-M0 through 3.0.16, 4.0.0-M0 through 4.0.6, and 4.1.0-M0 through 4.1.1 should be aware of this vulnerability. Operators, platform administrators, vulnerability management teams, and security teams should review the vulnerability details and take necessary actions to protect their systems.

Technical summary

CVE-2026-57308 is an 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 sort parameters. This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through 4.0.6, from 4.1.0-M0 through 4.1.1. The vulnerability has a critical CVSS score of 9.8 and requires immediate attention.

Defensive priority

High priority due to critical CVSS score of 9.8 and potential for arbitrary SQL execution.

Recommended defensive actions

• Upgrade to version 4.0.7 / 4.1.2, which fixes this issue.
• Review and restrict administrator entitlements to minimize potential impact.
• Monitor for suspicious SQL query activity.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

Evidence from official CVE and NVD sources indicate a high severity vulnerability in Apache Syncope. Limited details are available on public exploit activity. Defenders should verify affected product deployments, review official advisories, and monitor for suspicious SQL query activity.

Official resources