CVE-2026-41901
Published: 12 May 2026
Summary
CVE-2026-41901 is a critical-severity Expression Language Injection (CWE-917) vulnerability. Its CVSS base score is 9.0 (Critical).
Operationally, it is not currently listed in the CISA KEV catalog.
NVD Description
Thymeleaf is a server-side Java template engine for web and standalone environments. Prior to 3.1.5.RELEASE, a security bypass vulnerability exists in the expression execution mechanisms of Thymeleaf. Although the library provides mechanisms to avoid the execution of potentially dangerous expressions…
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in some specific sandboxed (restricted) contexts, it fails to properly neutralize specific constructs that allow this kind of expressions to be executed. If an application developer passes to the template engine unsanitized variables that contain such expressions, and these values are used in sandboxed contexts inside the templates, these expressions can be executed achieving Server-Side Template Injection (SSTI). This vulnerability is fixed in 3.1.5.RELEASE.
Deeper analysisAI
Automated synthesis unavailable for this CVE.
Details
- CWE(s)