CVE-2026-42797
Apache Syncope: JexlContextBuilder Information Disclosure
Exposure of Sensitive Information Through Data Queries vulnerability in Apache Syncope.
An administrator with adequate entitlements for Derived Schemas can create a malicious JEXL expression which allows any administrator with sufficient entitlements for User read to access User-related security-sensitive information.
This issue affects Apache Syncope: 3.0 through 3.0.16, 4.0 through 4.0.5, 4.1.0.
Users are recommended to upgrade to version 4.0.6 / 4.1.1, which fix this issue by further restricting the JEXL expression definition.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Apache Syncope: JexlContextBuilder Information Disclosure
Exposure of Sensitive Information Through Data Queries vulnerability in Apache Syncope.
An administrator with adequate entitlements for Derived Schemas can create a malicious JEXL expression which allows any administrator with sufficient entitlements for User read to access User-related security-sensitive information.
This issue affects Apache Syncope: 3.0 through 3.0.16, 4.0 through 4.0.5, 4.1.0.
Users are recommended to upgrade to version 4.0.6 / 4.1.1, which fix this issue by further restricting the JEXL expression definition.
- Record
CVE-2026-42797- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-202
- Updated
- 2026-11-02
EUVDEUVD-2026-31702
Exposure of Sensitive Information Through Data Queries vulnerability in Apache Syncope.
An administrator with adequate entitlements for Derived Schemas can create a malicious JEXL expression which allows any administrator with sufficient entitlements for User read to access User-related security-sensitive information.
This issue affects Apache Syncope: 3.0 through 3.0.16, 4.0 through 4.0.5, 4.1.0.
Users are recommended to upgrade to version 4.0.6 / 4.1.1, which fix this issue by further restricting the JEXL expression definition.
- Record
EUVD-2026-31702- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-vr35-jm2f-8wg2
Apache Syncope Vulnerable to Exposure of Sensitive Information Through Data Queries
Exposure of Sensitive Information Through Data Queries vulnerability in Apache Syncope.
An administrator with adequate entitlements for Derived Schemas can create a malicious JEXL expression which allows any administrator with sufficient entitlements for User read to access User-related security-sensitive information.
This issue affects Apache Syncope: 3.0 through 3.0.16, 4.0 through 4.0.5, 4.1.0.
Users are recommended to upgrade to version 4.0.6 / 4.1.1, which fix this issue by further restricting the JEXL expression definition.
- Record
GHSA-vr35-jm2f-8wg2- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-202
- Updated
- 2026-11-02
NVD
Exposure of Sensitive Information Through Data Queries vulnerability in Apache Syncope.
An administrator with adequate entitlements for Derived Schemas can create a malicious JEXL expression which allows any administrator with sufficient entitlements for User read to access User-related security-sensitive information.
This issue affects Apache Syncope: 3.0 through 3.0.16, 4.0 through 4.0.5, 4.1.0.
Users are recommended to upgrade to version 4.0.6 / 4.1.1, which fix this issue by further restricting the JEXL expression definition.
- Record
CVE-2026-42797- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-202
- Updated
- 2026-11-02
OSV
Apache Syncope: JexlContextBuilder Information Disclosure
Exposure of Sensitive Information Through Data Queries vulnerability in Apache Syncope.
An administrator with adequate entitlements for Derived Schemas can create a malicious JEXL expression which allows any administrator with sufficient entitlements for User read to access User-related security-sensitive information.
This issue affects Apache Syncope: 3.0 through 3.0.16, 4.0 through 4.0.5, 4.1.0.
Users are recommended to upgrade to version 4.0.6 / 4.1.1, which fix this issue by further restricting the JEXL expression definition.
- Record
CVE-2026-42797- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-202
- Updated
- 2026-11-02
OSVGHSA-vr35-jm2f-8wg2
Apache Syncope Vulnerable to Exposure of Sensitive Information Through Data Queries
Exposure of Sensitive Information Through Data Queries vulnerability in Apache Syncope.
An administrator with adequate entitlements for Derived Schemas can create a malicious JEXL expression which allows any administrator with sufficient entitlements for User read to access User-related security-sensitive information.
This issue affects Apache Syncope: 3.0 through 3.0.16, 4.0 through 4.0.5, 4.1.0.
Users are recommended to upgrade to version 4.0.6 / 4.1.1, which fix this issue by further restricting the JEXL expression definition.
- Record
GHSA-vr35-jm2f-8wg2- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-202
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.syncope.core:syncope-core-provisioning-apiMaven |
3.0.0-M0 to 3.0.16 | None known |
org.apache.syncope.core:syncope-core-provisioning-apiMaven |
4.0.0-M0 up to 4.0.6 | 4.0.6 |
org.apache.syncope.core:syncope-core-provisioning-apiMaven |
4.1.0-M0 up to 4.1.1 | 4.1.1 |
org.apache.syncope.core:syncope-core-provisioning-apiMaven |
3.0.0-M0 to 3.0.16, plus listed versions 3.0.03.0.0-M13.0.0-M23.0.13.0.10 Show 13 moreShow less3.0.113.0.123.0.133.0.143.0.153.0.23.0.33.0.43.0.53.0.63.0.73.0.83.0.9 |
None known |
org.apache.syncope.core:syncope-core-provisioning-apiMaven |
4.0.0-M0 up to 4.0.6, plus listed versions 4.0.04.0.0-M14.0.14.0.24.0.34.0.44.0.5 |
4.0.6 |
org.apache.syncope.core:syncope-core-provisioning-apiMaven |
4.1.0-M0 up to 4.1.1, plus listed versions 4.1.0 |
4.1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-42797 is a medium vulnerability (CVSS 4.9) in Apache Syncope, published May 25, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.44%, the 38th percentile. Fixed in org.apache.syncope.core:syncope-core-provisioning-api 4.0.6.
References
lists.apache.org/thread/5y7d277sntyytrmxnx2tfjr9ftcpq1s6
openwall.com/lists/oss-security/2026/05/25/5
nvd.nist.gov/vuln/detail/CVE-2026-42797
github.com/advisories/GHSA-vr35-jm2f-8wg2
repo.maven.apache.org/maven2