Exposure of sensitive information through data queries vulnerability in Apache Syncope. (CVE-2026-77883)
A vulnerability in Apache Syncope allows an administrator with entitlements for Derived Schemas to create a malicious JEXL expression. This can enable any administrator with User read entitlements to access sensitive information from LinkedAccount or Manager objects, potentially including hashed credentials. The issue 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 addresses this vulnerability.
AI Analysis
Technical Summary
CVE-2026-77883 describes a sensitive information exposure vulnerability in Apache Syncope. An administrator with sufficient privileges to manage Derived Schemas can craft a malicious JEXL expression. This expression allows any administrator with User read entitlements to access sensitive data from LinkedAccount or Manager entities, which may include hashed credentials. The vulnerability affects multiple version ranges of Apache Syncope prior to fixed releases 4.0.8 and 4.1.3.
Potential Impact
The vulnerability allows unauthorized access to sensitive information by leveraging entitlements related to Derived Schemas and User read permissions. This could lead to exposure of hashed credentials and other sensitive data within LinkedAccount or Manager objects. There is no indication of impact on integrity or availability.
Mitigation Recommendations
Users should upgrade Apache Syncope to versions 4.0.8 or 4.1.3, which contain fixes for this vulnerability. No other mitigations are specified. Patch status is confirmed by the vendor advisory.
Exposure of sensitive information through data queries vulnerability in Apache Syncope. (CVE-2026-77883)
Description
A vulnerability in Apache Syncope allows an administrator with entitlements for Derived Schemas to create a malicious JEXL expression. This can enable any administrator with User read entitlements to access sensitive information from LinkedAccount or Manager objects, potentially including hashed credentials. The issue 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 addresses this vulnerability.
CVSS v3.1
Score 4.9medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-77883 describes a sensitive information exposure vulnerability in Apache Syncope. An administrator with sufficient privileges to manage Derived Schemas can craft a malicious JEXL expression. This expression allows any administrator with User read entitlements to access sensitive data from LinkedAccount or Manager entities, which may include hashed credentials. The vulnerability affects multiple version ranges of Apache Syncope prior to fixed releases 4.0.8 and 4.1.3.
Potential Impact
The vulnerability allows unauthorized access to sensitive information by leveraging entitlements related to Derived Schemas and User read permissions. This could lead to exposure of hashed credentials and other sensitive data within LinkedAccount or Manager objects. There is no indication of impact on integrity or availability.
Mitigation Recommendations
Users should upgrade Apache Syncope to versions 4.0.8 or 4.1.3, which contain fixes for this vulnerability. No other mitigations are specified. Patch status is confirmed by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-pjhv-6xm9-9cxw
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-77883"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa8a1d055bf5e2cf5f3e931
Added to database: 09/15/2026, 01:39:28 UTC
Last enriched: 09/15/2026, 02:02:19 UTC
Last updated: 09/15/2026, 02:02:19 UTC
Views: 2
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