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The Apache Software Foundation has released patches for six security flaws impacting its digital identity software. These Apache Syncope vulnerabilities allow administrators to execute malicious code, bypass access controls, and extract secret tokens. IT teams must upgrade their installations immediately to prevent severe system compromises.
- Total: 6 CVEs
- Severity: 2 Critical · 3 High · 1 Medium
- Actively exploited: None confirmed
- Highest severity: 9.8 (Critical · CVSSv3) — CVE-2026-82232
- Action: Apply the latest security updates now
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| CVE | CVSS (CVSSv3) | Type | Status |
|---|---|---|---|
| CVE-2026-82232 | 9.8 | SQL injection via sort parameter in Task search | Not exploited |
| CVE-2026-73470 | 9.8 | Delegating users can grant unowned Roles | Not exploited |
| CVE-2026-87779 | 7.5 | AES Secret Key disclosure via log output | Not exploited |
| CVE-2026-73236 | 7.5 | Cross-Realm authorization bypass in delegated administration | Not exploited |
| CVE-2026-73178 | 7.5 | JWT Access Token takeover | Not exploited |
| CVE-2026-77147 | 6.5 | Groovy Sandbox escape for empty CommandArgs | Not exploited |
Why This Matters
Apache Syncope is an open-source system designed for managing digital identities in enterprise environments. Thousands of organizations rely on this software to secure internal access and handle user credentials. Therefore, identity management flaws expose central administrative platforms to immense risk. If attackers gain control of identity tokens, they can impersonate high-level users. Furthermore, they can breach sensitive corporate data without triggering normal security alerts.
How the Attack Works
These Apache Syncope vulnerabilities span several distinct attack mechanisms. First, CVE-2026-82232 involves a critical SQL injection defect. The official advisory warns, “An administrator with adequate entitlements can achieve execution of arbitrary SQL via stacked queries.” They can accomplish this by leveraging unsanitized sort clauses during task searches. Next, CVE-2026-77147 enables code injection. An administrator can create a malicious Groovy class to bypass the security sandbox completely.
In addition, CVE-2026-73178 allows unauthorized actors to view active JSON Web Tokens. They can use these signed JWT bodies to impersonate other users via the REST API. Finally, the remaining flaws cause secret key disclosures and allow delegated users to bypass authorization checks. According to the developers, “Delegated administration security checks are based on Realm hierarchy and enforced via prefix matches.” An incorrect implementation allows cross-realm authorization bypasses. Currently, security researchers confirm no active exploitation in the wild.
Affected Versions
These flaws impact Apache Syncope branches 3.0, 4.0, and 4.1. Specifically, affected versions range from 3.0.0-M0 through 3.0.16, 4.0.0-M0 through 4.0.7, and 4.1.0-M0 through 4.1.2.
Patch and Mitigation Steps
System administrators must apply the latest security patches immediately. The development team has resolved these issues in versions 4.0.8 and 4.1.3. You can obtain the fixed releases directly from the official Apache Syncope downloads page. Currently, there are no practical workarounds. Therefore, upgrading remains the only viable defense.
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