CVE-2026-42797

MEDIUM EPSS 34.9%
Published May 25, 20261mo ago · Modified Jun 17, 20262w ago
4.9 CVSS 3.1
Medium
Find Similar
Published May 25, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
4.9
Exploitability
1.2
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
34.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-202

Affected Products 3

VendorProductVersionRange
apachesyncope*≥3.0.0  –  ≤3.0.16
apachesyncope*≥4.0.0  –  <4.0.6
apachesyncope4.1.0any

References 2

  • openwall.com http://www.openwall.com/lists/oss-security/2026/05/25/5
    Mailing ListThird Party Advisory
  • lists.apache.org https://lists.apache.org/thread/5y7d277sntyytrmxnx2tfjr9ftcpq1s6
    Mailing ListVendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.