Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Syncope | >= 3.0.0, <= 3.0.16 |
Related Weaknesses (CWE)
References
- https://lists.apache.org/thread/5y7d277sntyytrmxnx2tfjr9ftcpq1s6Mailing ListVendor Advisory
- http://www.openwall.com/lists/oss-security/2026/05/25/5Mailing ListThird Party Advisory
FAQ
What is CVE-2026-42797?
CVE-2026-42797 is a vulnerability with a CVSS score of 4.9 (MEDIUM). 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 al...
How severe is CVE-2026-42797?
CVE-2026-42797 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-42797?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Syncope.