CVE-2026-73178 Details
Description
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Syncope. An administrator with adequate entitlements can get access via REST to the list of existing Access Tokens, including their signed JWT body. These values can be then used to perform further REST requests, impersonating users with higher administration entitlements. 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.
A vulnerability in Apache Syncope versions 3.0.0-M0 through 3.0.16, 4.0.0-M0 through 4.0.7, and 4.1.0-M0 through 4.1.2 allows an administrator with the right entitlements to access the list of existing Access Tokens via REST. This access includes the signed JWT body of the tokens, which can be used to impersonate users with higher administrative privileges in further REST requests.
Users are advised to upgrade to Apache Syncope versions 4.0.8 or 4.1.3, which address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 14, 2026CISA-ADP
Assessed Sep 14, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2026/09/14/4 | CVE | AdvisoryMailing ListRemedy |
| https://lists.apache.org/thread/owcdm0stb39mnkpyps0h6yw4gp2olnkj | [email protected] | AdvisoryMailing ListRemedyVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-200 | Exposure of Sensitive Information to an Unauthorized Actor | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Apache Syncope | >= 3.0.0-M0, <= 3.0.16 (semver) >= 4.0.0-M0, <= 4.0.7 (semver) >= 4.1.0-M0, <= 4.1.2 (semver) |
CPE
Remediation
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Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 14, 2026 | CVE Modified | CISA-ADP |
| Sep 14, 2026 | CVE Modified | CVE |
| Sep 14, 2026 | New CVE Received | [email protected] |