CVE-2026-42797— Apache Syncope: JexlContextBuilder Information Disclosure
Possible ATT&CK Techniques 1AI
T1005 · Data from Local SystemAffected Version Matrix 3
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Apache Software Foundation | Apache Syncope | 3.0≤ 3.0.16 | affected |
4.0≤ 4.0.5 | affected | ||
4.1≤ 4.1.0 | affected |
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I. Basic Information for CVE-2026-42797
Vulnerability Information
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Vulnerability Title
Apache Syncope: JexlContextBuilder Information Disclosure
Source: NVD (National Vulnerability Database)
Vulnerability Description
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 User-related security-sensitive information. This issue affects Apache Syncope: 3.0 through 3.0.16, 4.0 through 4.0.5, 4.1.0. Users are recommended to upgrade to version 4.0.6 / 4.1.1, which fix this issue by further restricting the JEXL expression definition.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过数据查询的敏感数据暴露
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Apache Software Foundation | Apache Syncope | 3.0 ~ 3.0.16 | - |
II. Public POCs for CVE-2026-42797
| # | POC Description | Source Link | Shenlong Link |
|---|
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Mailing List Discussions for CVE-2026-42797 (1)
Same Patch Batch · Apache Software Foundation · 2026-05-25 · 9 CVEs total
| CVE-2026-48589 | Apache Shiro: Jakarta EE open redirect via untrusted Referer in post-login redirect flow | |
| CVE-2026-44598 | Apache Shiro Jakarta EE module: Open redirect and SSRF (requires valid credentials) | |
| CVE-2026-43828 | Apache Shiro: Shiro's native session and rememberMe cookies do not have secure flag set by | |
| CVE-2026-43827 | Apache Shiro: Session fixation: new session is not created after login by default | |
| CVE-2026-42782 | Apache Syncope: Post-auth RCE via Groovy static | |
| CVE-2026-46745 | Apache Airflow FAB provider: LDAP Filter Injection in FAB Auth Manager _search_ldap reacha | |
| CVE-2026-45361 | Apache Airflow Google provider: SSH host key verification disabled in ComputeEngineSSHHook | |
| CVE-2026-45249 | Apache ECharts: XSS in Lines series tooltip rendering |
IV. Related Vulnerabilities
Same product: Apache Syncope
- CVE-2026-42782
Apache Syncope: Post-auth RCE via Groovy static - CVE-2026-23794
Apache Syncope: Reflected XSS on Enduser Login - CVE-2026-23795
Apache Syncope: Console XXE on Keymaster parameters - CVE-2025-65998
Apache Syncope: Default AES key used for internal password e - CVE-2025-57738
Apache Syncope: Remote Code Execution by delegated administr
Same vendor: Apache Software Foundation
- CVE-2026-40564
Apache Flink Kubernetes Operator: Server-Side Request Forger - CVE-2026-48589
Apache Shiro: Jakarta EE open redirect via untrusted Referer - CVE-2026-44598
Apache Shiro Jakarta EE module: Open redirect and SSRF (requ - CVE-2026-43828
Apache Shiro: Shiro's native session and rememberMe cookies - CVE-2026-43827
Apache Shiro: Session fixation: new session is not created a
Same weakness: CWE-202
- CVE-2026-30778
Apache SkyWalking: The SkyWalking OAP /debugging/config/dump - CVE-2026-33530
InvenTree Vulnerable to ORM Filter Injection - CVE-2026-3546
e-shot <= 1.0.2 - Missing Authorization to Authenticated (Su - CVE-2026-25050
Vendure vulnerable to timing attack that enables user enumer - CVE-2025-64528
Users are able to find users by name even when `enable_names
V. Comments for CVE-2026-42797
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