CVE-2026-77883

Summary

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 LinkedAccount's (if present) or Manager's (if defined) sensitive information, possibly including hashed credentials.

This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through 4.0.7, from 4.1.0-M0 through 4.1.2.

Users are recommended to upgrade to version 4.0.8 / 4.1.3, which fix this issue.

Affected Software

VendorProductVersion RangeStatus
Apache Software FoundationApache Syncope3.0.0-M0 <= 3.0.16affected
Apache Software FoundationApache Syncope4.0.0-M0 <= 4.0.7affected
Apache Software FoundationApache Syncope4.1.0-M0 <= 4.1.2affected

Weaknesses

  • CWE-202: CWE-202 Exposure of sensitive information through data queries

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References