Apache Syncope vulnerabilities

CVE-2018-1321 [HIGH] CWE-20 CVE-2018-1321: An administrator with report and template entitlements in Apache Syncope 1.2.x before 1.2.11, 2.0.x An administrator with report and template entitlements in Apache Syncope 1.2.x before 1.2.11, 2.0.x before 2.0.8, and unsupported releases 1.0.x and 1.1.x which may be also affected, can use XSL Transformations (XSLT) to perform malicious operations, including but not limited to file read, file write, and code execution.

CVE-2026-57308 [CRITICAL] CWE-89 CVE-2026-57308: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability i Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Apache Syncope. An administrator with adequate entitlements can achieve execution of arbitrary SQL via stacked queries, leveraging unsanitized sort parameters. This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through

CVE-2020-1959 [CRITICAL] CWE-917 CVE-2020-1959: A Server-Side Template Injection was identified in Apache Syncope prior to 2.1.6 enabling attackers A Server-Side Template Injection was identified in Apache Syncope prior to 2.1.6 enabling attackers to inject arbitrary Java EL expressions, leading to an unauthenticated Remote Code Execution (RCE) vulnerability. Apache Syncope uses Java Bean Validation (JSR 380) custom constraint validators. When building custom constraint violation error messages,

CVE-2025-57738 [HIGH] CWE-653 CVE-2025-57738: Apache Syncope offers the ability to extend / customize the base behavior on every deployment by all Apache Syncope offers the ability to extend / customize the base behavior on every deployment by allowing to provide custom implementations of a few Java interfaces; such implementations can be provided either as Java or Groovy classes, with the latter being particularly attractive as the machinery is set for runtime reload. Such a feature has been av

CVE-2026-53421 [CRITICAL] CWE-653 CVE-2026-53421: Improper Isolation or Compartmentalization vulnerability in Apache Syncope. An administrator with Improper Isolation or Compartmentalization vulnerability in Apache Syncope. An administrator with adequate entitlements can achieve remote code execution through the connector subsystem by relying on scripted connectors' (REST and SQL) capability to run Groovy scripts. This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0

CVE-2018-1322 [MEDIUM] CWE-200 CVE-2018-1322: An administrator with user search entitlements in Apache Syncope 1.2.x before 1.2.11, 2.0.x before 2 An administrator with user search entitlements in Apache Syncope 1.2.x before 1.2.11, 2.0.x before 2.0.8, and unsupported releases 1.0.x and 1.1.x which may be also affected, can recover sensitive security values using the fiql and orderby parameters.

CVE-2026-62183 [CRITICAL] CWE-269 CVE-2026-62183: Improper Privilege Management vulnerability in Apache Syncope. When: * the all-Java user workflow Improper Privilege Management vulnerability in Apache Syncope. When: * the all-Java user workflow adapter is configured, or * the Flowable user workflow adapter is configured, bearing a BPMN definition not requiring admin approval for user self registration of self update requests the following scenario could happen. A REST API call can allow the

CVE-2026-63071 [CRITICAL] CWE-653 CVE-2026-63071: Improper Isolation or Compartmentalization vulnerability in Apache Syncope. An administrator with a Improper Isolation or Compartmentalization vulnerability in Apache Syncope. An administrator with adequate entitlements for Implementations can create a malicious Groovy class containing untrusted code bypassing the Groovy security sandbox. This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 through 4.0.6, from 4.1.0-M0

CVE-2026-53405 [CRITICAL] CWE-653 CVE-2026-53405: Improper Isolation or Compartmentalization vulnerability in Apache Syncope. An administrator with a Improper Isolation or Compartmentalization vulnerability in Apache Syncope. An administrator with adequate entitlements can import arbitrary BPMN process definitions via the REST API and then start the process. When a BPMN process containing a Groovy scriptTask is imported and started, the Groovy script is executed directly on the server, with no

CVE-2020-1961 [CRITICAL] CWE-74 CVE-2020-1961: Vulnerability to Server-Side Template Injection on Mail templates for Apache Syncope 2.0.X releases Vulnerability to Server-Side Template Injection on Mail templates for Apache Syncope 2.0.X releases prior to 2.0.15, 2.1.X releases prior to 2.1.6, enabling attackers to inject arbitrary JEXL expressions, leading to Remote Code Execution (RCE) was discovered.

CVE-2026-62418 [HIGH] CWE-918 CVE-2026-62418: Low-privileged authenticated Server-Side Request Forgery (SSRF) vulnerability in Apache Syncope via Low-privileged authenticated Server-Side Request Forgery (SSRF) vulnerability in Apache Syncope via Connectors and Resources check. This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through 4.0.6, from 4.1.0-M0 through 4.1.1. Users are recommended to upgrade to version 4.0.7 / 4.1.2, which fix this issue.

CVE-2025-65998 [HIGH] CWE-321 CVE-2025-65998: Apache Syncope can be configured to store the user password values in the internal database with AES Apache Syncope can be configured to store the user password values in the internal database with AES encryption, though this is not the default option. When AES is configured, the default key value, hard-coded in the source code, is always used. This allows a malicious attacker, once obtained access to the internal database content, to reconstruct th

CVE-2026-42782 [HIGH] CWE-653 CVE-2026-42782: Improper Isolation or Compartmentalization vulnerability in Apache Syncope. An administrator with a Improper Isolation or Compartmentalization vulnerability in Apache Syncope. An administrator with adequate entitlements for Implementations can create a malicious Groovy class containing untrusted code reaching a non-sandboxed execution path via the class static initializer. This issue affects Apache Syncope: 3.0 through 3.0.16, 4.0 through 4.0.5, 4.

CVE-2020-11977 [HIGH] CVE-2020-11977: In Apache Syncope 2.1.X releases prior to 2.1.7, when the Flowable extension is enabled, an administ In Apache Syncope 2.1.X releases prior to 2.1.7, when the Flowable extension is enabled, an administrator with workflow entitlements can use Shell Service Tasks to perform malicious operations, including but not limited to file read, file write, and code execution.

CVE-2018-17186 [HIGH] CWE-611 CVE-2018-17186: An administrator with workflow definition entitlements can use DTD to perform malicious operations, An administrator with workflow definition entitlements can use DTD to perform malicious operations, including but not limited to file read, file write, and code execution.

CVE-2014-0111 [MEDIUM] CWE-94 CVE-2014-0111: Apache Syncope 1.0.0 before 1.0.9 and 1.1.0 before 1.1.7 allows remote administrators to execute arb Apache Syncope 1.0.0 before 1.0.9 and 1.1.0 before 1.1.7 allows remote administrators to execute arbitrary Java code via vectors related to Apache Commons JEXL expressions, "derived schema definition," "user / role templates," and "account links of resource mappings."

CVE-2026-23794 [MEDIUM] CWE-79 CVE-2026-23794: Reflected XSS in Apache Syncope's Enduser Login page. An attacker that tricks a legitimate user into Reflected XSS in Apache Syncope's Enduser Login page. An attacker that tricks a legitimate user into clicking a malicious link and logging in to Syncope Enduser could steal that user's credentials. This issue affects Apache Syncope: from 3.0 through 3.0.15, from 4.0 through 4.0.3. Users are recommended to upgrade to version 3.0.16 / 4.0.4, which fi

CVE-2014-3503 [MEDIUM] CWE-310 CVE-2014-3503: Apache Syncope 1.1.x before 1.1.8 uses weak random values to generate passwords, which makes it easi Apache Syncope 1.1.x before 1.1.8 uses weak random values to generate passwords, which makes it easier for remote attackers to guess the password via a brute force attack.

CVE-2026-23795 [MEDIUM] CWE-611 CVE-2026-23795: Improper Restriction of XML External Entity Reference vulnerability in Apache Syncope Console. An ad Improper Restriction of XML External Entity Reference vulnerability in Apache Syncope Console. An administrator with adequate entitlements to create or edit Keymaster parameters via Console can construct malicious XML text to launch an XXE attack, thereby causing sensitive data leakage occurs. This issue affects Apache Syncope: from 3.0 through 3.0

CVE-2024-45031 [MEDIUM] CWE-79 CVE-2024-45031: When editing objects in the Syncope Console, incomplete HTML tags could be used to bypass HTML sanit When editing objects in the Syncope Console, incomplete HTML tags could be used to bypass HTML sanitization. This made it possible to inject stored XSS payloads which would trigger for other users during ordinary usage of the application. XSS payloads could also be injected in Syncope Enduser when editing “Personal Information” or “User Requests”: su