CVE-2026-78336— Apache Syncope: OIDCC4UI provider list discloses client secrets to any authenticated user
Quick assessment
Affected
Apache Software Foundation Apache Syncope
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Apache Syncope 中敏感信息泄露至发送数据的漏洞 任何经过身份验证的用户均可查询控制台和终端用户端配置的可用 OIDC 提供商列表。返回的数据包包含所有配置项，其中包括客户端密钥（client secrets），且不受调用者所拥有权限的限制。 受影响的 Apache Syncope 版本包括： 3.0.0-M0 至 3.0.16 4.0.0-M0 至 4.0.7 4.1.0-M0 至 4.1.2 建议用户升级至 4.0.8 或 4.1.3 版本，该版本已修复此问题。
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-78336
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Apache Syncope: OIDCC4UI provider list discloses client secrets to any authenticated user
Source: CVE Program / CVE List V5
Vulnerability Description
Insertion of sensitive information into sent data vulnerability in Apache Syncope.
Any authenticated user can query for the list of available OIDC providers configured for SSO with Console and Enduser. The returned payload contains all configuration settings, including client secrets, regardless of the entitlements owned by the caller.
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
通过发送数据的信息暴露
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Apache Software Foundation | Apache Syncope | 3.0.0-M0 ~ 3.0.16 | - |
|
II. Public POCs for CVE-2026-78336
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-78336
请登录查看更多情报信息。
Mailing List Discussions for CVE-2026-78336 (1)
Same Patch Batch · Apache Software Foundation · 2026-09-14 · 39 CVEs total
| CVE-2026-82434 | 10.0 CRITICAL | Apache Storm Nimbus, Apache Storm Client: Disclosure of the Topology ZooKeeper Credential |
| CVE-2026-78318 | Apache Syncope: Unauthenticated reflected XSS in Console and Enduser | |
| CVE-2026-73470 | Apache Syncope: Delegating users can grant unowned Roles | |
| CVE-2026-73579 | Apache Syncope: Non-recursive Any search could skip Realms restrictions | |
| CVE-2026-75015 | Apache Syncope: Nested secrets leak cleartext into audit records readable | |
| CVE-2026-75030 | Apache Syncope: Incomplete authorization checks for Group members deprovisioning | |
| CVE-2026-77051 | Apache Syncope: SQL injection via unsanitized entityKey and opEvent in Audit Events search | |
| CVE-2026-73668 | Apache Syncope: Cross-realm disclosure of confidential ConnId bundles configuration values | |
| CVE-2026-77147 | Apache Syncope: Groovy Sandbox escape for empty CommandArgs | |
| CVE-2026-77181 | Apache Syncope: ClientApp update entitlement not effective | |
| CVE-2026-77883 | Apache Syncope: Information disclosure via one-hop JEXL navigation past the JexlContextBui | |
| CVE-2026-73178 | Apache Syncope: JWT Access Token takeover | |
| CVE-2026-78330 | Apache Syncope: Privilege escalation for admin user via JWT authentication | |
| CVE-2026-82232 | Apache Syncope: SQL injection via sort parameter in Task search | |
| CVE-2026-86460 | Apache Syncope: Cypher Injection via FIQL Search on Neo4j Persistence | |
| CVE-2026-87779 | Apache Syncope: AES Secret Key disclosure via log output | |
| CVE-2026-87785 | Apache Syncope: JWT subject spoofing | |
| CVE-2026-87802 | Apache Syncope: SRA OAuth2 JWT signature verification bypass | |
| CVE-2026-68570 | Apache Doris: Authorization bypass leading to unauthorized data access | |
| CVE-2026-72524 | Apache Doris: Authorization bypass allowing a low-privilege user to read/write/drop arbitr |
Showing top 20 of 39 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Apache Syncope
-
CVE-2026-73191
Apache Syncope: CAS service URL injection via Forwarded HTTP -
CVE-2026-73195
Apache Syncope: CSV export spreadsheet formula injection -
CVE-2026-73236
Apache Syncope: Cross-Realm authorization bypass in delegate -
CVE-2026-73370
Apache Syncope: Cross-Realm boundaries reconciliation bypass -
CVE-2026-73178
Apache Syncope: JWT Access Token takeover
Same vendor: Apache Software Foundation
-
CVE-2026-82427
Apache Storm Nimbus: Path Traversal as the Supervisor User v -
CVE-2026-82428
Apache Storm Client: Cross-Tenant Dependency Jar Substitutio -
CVE-2026-82429
Apache Storm Worker Launcher: Local Privilege Escalation to -
CVE-2026-82430
Apache Storm Worker Launcher: Local Privilege Escalation to -
CVE-2026-82431
Apache Storm Client: Authorization Bypass When nimbus.groups
Same weakness: CWE-201
-
CVE-2026-62088
WordPress ElasticPress plugin <= 5.3.4 - Sensitive Data Expo -
CVE-2026-81804
WordPress ZHBackup – Backup, Restore & Migration plugin <= 2 -
CVE-2026-78374
Joomla Extension - joomlart.com - Open mail relay via contac -
CVE-2026-78303
Joomla Extension - joomshaper.com - Unvalidated Email Destin -
CVE-2026-87015
Open WebUI: A user's session cookies are sent to tool server
V. Comments for CVE-2026-78336
No comments yet