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Vulnerabilities

Vulnerability · CVE-2026-42797

Exposure of Sensitive Information Through Data Queries vulnerability in Apache Syncope.

Published May 25, 2026 · catalog updated Jul 24, 2026 · Exposure of Sensitive Information

Check if you run it

No confirmed exploitation is on record for CVE-2026-42797. EPSS is 0.56%. Act only if a listed version of Exposure of Sensitive Information is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Exposure of Sensitive Information).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.56%
Remediation
Advisory link
Affected products
cpe apache/syncope

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe apache/syncope4.1.0

How to fix CVE-2026-42797

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-42797. EPSS is 0.56%. Act only if a listed version of Exposure of Sensitive Information is installed.

Which versions are affected?

Compare what you have installed with 4.1.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-202. EPSS 0.56%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 25, 2026 · NIST NVD

    Detected

    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.

  2. Jul 24, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-42797

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-42797

    30-day exploitation probability 0.6%

    first.org
  • NIST NVDVulnerability recordCVE-2026-42797

    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

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.