Information Exposure Vulnerability in Apache Syncope
CVE-2026-77883

4.9MEDIUM

Key Information:

Vendor

Apache
Status
Apache Syncope
Vendor
CVE Published:
14 September 2026

What is CVE-2026-77883?

A vulnerability has been identified in Apache Syncope that allows an administrator with the right privileges to create a malicious JEXL expression. This expression can expose sensitive information from LinkedAccount or Manager entities, potentially including hashed credentials. It is crucial for users to upgrade to the latest versions (4.0.8 / 4.1.3) to mitigate the risk posed by this vulnerability.

Affected Version(s)

Apache Syncope 3.0.0-M0 <= 3.0.16

Apache Syncope 4.0.0-M0 <= 4.0.7

Apache Syncope 4.1.0-M0 <= 4.1.2

References

https://lists.apache.org/thread/oshwdz2k4cl3042y39zq0yl4q...
vendor-advisory

CVSS V3.1

Score:
4.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

n0mi1k
.