Hubspot Jinjava vulnerabilities

CVE-2025-59340 [CRITICAL] CWE-1336 CVE-2025-59340: jinjava is a Java-based template engine based on django template syntax, adapted to render jinja tem jinjava is a Java-based template engine based on django template syntax, adapted to render jinja templates. Priori to 2.8.1, by using mapper.getTypeFactory().constructFromCanonical(), it is possible to instruct the underlying ObjectMapper to deserialize attacker-controlled input into arbitrary classes. This enables the creation of semi-arbitrary

CVE-2026-25526 [CRITICAL] CWE-1336 CVE-2026-25526: JinJava is a Java-based template engine based on django template syntax, adapted to render jinja tem JinJava is a Java-based template engine based on django template syntax, adapted to render jinja templates. Prior to versions 2.7.6 and 2.8.3, JinJava is vulnerable to arbitrary Java execution via bypass through ForTag. This allows arbitrary Java class instantiation and file access bypassing built-in sandbox restrictions. This issue has been patc

CVE-2020-12668 [MEDIUM] CWE-863 CVE-2020-12668: Jinjava before 2.5.4 allow access to arbitrary classes by calling Java methods on objects passed int Jinjava before 2.5.4 allow access to arbitrary classes by calling Java methods on objects passed into a Jinjava context. This could allow for abuse of the application class loader, including Arbitrary File Disclosure.

CVE-2018-18893 [MEDIUM] CVE-2018-18893: Jinjava before 2.4.6 does not block the getClass method, related to com/hubspot/jinjava/el/ext/Jinja Jinjava before 2.4.6 does not block the getClass method, related to com/hubspot/jinjava/el/ext/JinjavaBeanELResolver.java.