CVE-2026-73178: CWE-200 Exposure of Sensitive Information to an Unauthorized Actor in Apache Software Foundation Apache Syncope
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.
AI Analysis
Technical Summary
CVE-2026-73178 is an information exposure vulnerability in Apache Syncope where an administrator with appropriate entitlements can retrieve via REST the list of Access Tokens along with their signed JWT bodies. These tokens can be used to perform further REST requests, effectively impersonating users with elevated administrative rights. The vulnerability affects Apache Syncope versions from 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. The issue is fixed in versions 4.0.8 and 4.1.3.
Potential Impact
An attacker who is an administrator with adequate entitlements can access sensitive token information, including signed JWTs, which can be leveraged to impersonate users with higher administrative privileges. This could lead to unauthorized access and actions within the system by abusing elevated permissions.
Mitigation Recommendations
Users should upgrade Apache Syncope to versions 4.0.8 or 4.1.3, where this vulnerability is fixed. No additional mitigation steps are indicated beyond applying the official patches.
CVE-2026-73178: CWE-200 Exposure of Sensitive Information to an Unauthorized Actor in Apache Software Foundation Apache Syncope
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.
CVSS v3.1
Score 7.5high
Affected software
Apache Software Foundation
Apache Syncope
pkg:maven/Apache Software Foundation/org.apache.syncope.core:syncope-core-provisioning-javaRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-73178 is an information exposure vulnerability in Apache Syncope where an administrator with appropriate entitlements can retrieve via REST the list of Access Tokens along with their signed JWT bodies. These tokens can be used to perform further REST requests, effectively impersonating users with elevated administrative rights. The vulnerability affects Apache Syncope versions from 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. The issue is fixed in versions 4.0.8 and 4.1.3.
Potential Impact
An attacker who is an administrator with adequate entitlements can access sensitive token information, including signed JWTs, which can be leveraged to impersonate users with higher administrative privileges. This could lead to unauthorized access and actions within the system by abusing elevated permissions.
Mitigation Recommendations
Users should upgrade Apache Syncope to versions 4.0.8 or 4.1.3, where this vulnerability is fixed. No additional mitigation steps are indicated beyond applying the official patches.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-08-11T10:15:37.051Z
- State
- PUBLISHED
Threat ID: 6aa7f3ef55bf5e2cf51b4e18
Added to database: 09/14/2026, 13:17:35 UTC
Last enriched: 09/14/2026, 13:32:08 UTC
Last updated: 09/15/2026, 05:01:23 UTC
Views: 13
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.