Incorrect privilege assignment vulnerability in Apache Syncope. (CVE-2026-78330)
Apache Syncope contains an incorrect privilege assignment vulnerability that allows an attacker to gain admin privileges after successful authentication with a low-privilege JWT if the JWKS settings are disclosed. This affects versions 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. Upgrading to versions 4.0.8 or 4.1.3 mitigates this issue.
AI Analysis
Technical Summary
CVE-2026-78330 describes an incorrect privilege assignment vulnerability in Apache Syncope. When the JSON Web Key Set (JWKS) configuration for internal JWT authentication is exposed, an attacker who authenticates successfully with a low-privilege JWT can escalate to admin privileges. This vulnerability affects Apache Syncope versions 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. The issue is resolved in versions 4.0.8 and 4.1.3.
Potential Impact
Successful exploitation allows an attacker to escalate privileges from a low-privilege JWT to admin-level access, resulting in full confidentiality, integrity, and availability impact on the affected system.
Mitigation Recommendations
Users should upgrade Apache Syncope to version 4.0.8 or 4.1.3, which contain the official fixes for this vulnerability. No other mitigation guidance is provided or required.
Incorrect privilege assignment vulnerability in Apache Syncope. (CVE-2026-78330)
Description
Apache Syncope contains an incorrect privilege assignment vulnerability that allows an attacker to gain admin privileges after successful authentication with a low-privilege JWT if the JWKS settings are disclosed. This affects versions 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. Upgrading to versions 4.0.8 or 4.1.3 mitigates this issue.
CVSS v3.1
Score 9.8critical
Affected software
pkg:maven/org.apache.syncope/syncope-coreRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-78330 describes an incorrect privilege assignment vulnerability in Apache Syncope. When the JSON Web Key Set (JWKS) configuration for internal JWT authentication is exposed, an attacker who authenticates successfully with a low-privilege JWT can escalate to admin privileges. This vulnerability affects Apache Syncope versions 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. The issue is resolved in versions 4.0.8 and 4.1.3.
Potential Impact
Successful exploitation allows an attacker to escalate privileges from a low-privilege JWT to admin-level access, resulting in full confidentiality, integrity, and availability impact on the affected system.
Mitigation Recommendations
Users should upgrade Apache Syncope to version 4.0.8 or 4.1.3, which contain the official fixes for this vulnerability. No other mitigation guidance is provided or required.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-w7wp-qc67-vgc8
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-78330"]
- Database Specific Severity
- CRITICAL
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa8a1cf55bf5e2cf5f3e92a
Added to database: 09/15/2026, 01:39:27 UTC
Last enriched: 09/15/2026, 02:01:51 UTC
Last updated: 09/15/2026, 06:01:23 UTC
Views: 12
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