EUVD-2026-76193

Concrete CMS 9 through 9.5.2 is vulnerable to Server-Side Template Injection SSTI in Theme Customizer via Unvalidated Style Values. Values submitted through the customizer color channels and other style properties handled by ColorStyle and sibling Style classes such as FontFamilyStyle and...

CVE-2026-81910: Improper Neutralization of Special Elements Used in a Template Engine

Concrete CMS 9 through 9.5.2 is vulnerable to Server-Side Template Injection SSTI in Theme Customizer via Unvalidated Style Values. Values submitted through the customizer color channels and other style properties handled by ColorStyle and sibling Style classes such as FontFamilyStyle and...

LiteLLM vulnerable to server-side template injection in the /prompts/test endpoint

BerriAI litellm =1.82.4 is vulnerable to Server-Side Template Injection SSTI, which allows unauthenticated remote attackers to execute arbitrary OS commands via a crafted dotpromptcontent parameter in the /prompts/test endpoint due to use of an unsandboxed jinja2.Environment...

Trestle has Server-Side Template Injection (SSTI) via Recursive Template Re-evaluation of Untrusted Data

ImpactA Server-Side Template Injection SSTI vulnerability exists in multiple locations of trestle's Jinja2 rendering pipeline due to a systemic pattern: untrusted data is re-parsed as Jinja2 template source code without sandboxing. This advisory tracks the root cause across all affected code...

PYSEC-2026-3830 Document Merge Service vulnerable to RCE via SSTI (xlsx tempaltes)

Impact A remote code execution RCE via server-side template injection SSTI allows for user supplied code to be executed in the server's context where it is executed as the document-merge-server user with the UID 901 thus giving an attacker considerable control over the container. The vulnerabilit...

CVE-2026-52762 YesWiki: Authenticated (Admin) Server-Side Template Injection to Remote Code Execution via Bazar Semantic Templates

YesWiki is a wiki system written in PHP. Prior to version 4.6.6, YesWiki Bazar contains a stored Server-Side Template Injection SSTI vulnerability in the semantic template feature that can be escalated to confirmed Remote Code Execution RCE. An authenticated administrator can place arbitrary Twig...

CVE-2026-31020

In DocsGPT 0.15.0 and below, the application provides a custom prompt feature that allows users to define prompt content used during chatbot interactions. This functionality renders user-supplied prompt data using Jinja templates without input sanitization or sandboxing. An unauthenticated attack...

CVE-2026-31020

In DocsGPT 0.15.0 and below, the application provides a custom prompt feature that allows users to define prompt content used during chatbot interactions. This functionality renders user-supplied prompt data using Jinja templates without input sanitization or sandboxing. An unauthenticated attack...

CVE-2026-12894

The Qute template engine in Quarkus is vulnerable to server-side template injection (SSTI) via the ReflectionValueResolver component, which fails to properly block access to sensitive Java internal functions when processing certain data types like Enums. An attacker who can provide or influence t...

CVE-2026-12894 Io.quarkus:quarkus-qute: quarkus-qute:server-side template injection (ssti) vulnerability in reflectionvalueresolver of the quarkus qute template engine

A flaw was found in the Qute template engine, which is used by Quarkus to generate dynamic content like HTML pages or emails. The issue exists in the component responsible for looking up data values ReflectionValueResolver, which fails to properly block access to sensitive Java internal functions...

EUVD-2026-66209

Trestle has Server-Side Template Injection SSTI via Recursive Template Re-evaluation of Untrusted Data...

Trestle has Server-Side Template Injection (SSTI) via Recursive Template Re-evaluation of Untrusted Data

Impact A Server-Side Template Injection SSTI vulnerability exists in multiple locations of trestle's Jinja2 rendering pipeline due to a systemic pattern: untrusted data is re-parsed as Jinja2 template source code without sandboxing. This advisory tracks the root cause across all affected code...

LiteLLM vulnerable to server-side template injection in the /prompts/test endpoint

BerriAI litellm =1.82.4 is vulnerable to Server-Side Template Injection SSTI, which allows unauthenticated remote attackers to execute arbitrary OS commands via a crafted dotpromptcontent parameter in the /prompts/test endpoint due to use of an unsandboxed jinja2.Environment...

CVE-2026-54718

Silverstripe Advanced Workflow is a highly configurable step-based workflow module. Prior to 6.4.5, 7.1.3, and 7.2.1, an attacker with permission to author the advanced workflow email template can place a specially crafted server-side template payload in NotifyUsersWorkflowAction.EmailTemplate...

CVE-2026-37004

BerriAI litellm =1.82.4 is vulnerable to Server-Side Template Injection SSTI, which allows unauthenticated remote attackers to execute arbitrary OS commands via a crafted dotpromptcontent parameter in the /prompts/test endpoint due to use of an unsandboxed jinja2.Environment...

CVE-2026-54718 Silverstripe Advanced Workflow: Remote code execution via advanced workflow email template

Silverstripe Advanced Workflow is a highly configurable step-based workflow module. Prior to 6.4.5, 7.1.3, and 7.2.1, an attacker with permission to author the advanced workflow email template can place a specially crafted server-side template payload in NotifyUsersWorkflowAction.EmailTemplate...

CVE-2026-54718

Silverstripe Advanced Workflow (the symbiote/silverstripe-advancedworkflow module) is vulnerable to remote code execution prior to versions 6.4.5, 7.1.3, and 7.2.1. An attacker with permission to author the advanced workflow email template can inject a specially crafted server-side template paylo...

CVE-2026-54718 Silverstripe Advanced Workflow: Remote code execution via advanced workflow email template

Silverstripe Advanced Workflow is a highly configurable step-based workflow module. Prior to 6.4.5, 7.1.3, and 7.2.1, an attacker with permission to author the advanced workflow email template can place a specially crafted server-side template payload in NotifyUsersWorkflowAction.EmailTemplate...

CVE-2026-57170

A flaw was found in compliance-trestle. The custom Jinja2 include tags, mdsectioninclude and mdcleaninclude, incorrectly re-parse the content of included Markdown files as Jinja2 template code in a non-sandboxed environment. This vulnerability, known as Server-Side Template Injection SSTI, allows...

CVE-2026-46439

A flaw was found in compliance-trestle. This Server-Side Template Injection SSTI vulnerability exists in the trestle author jinja command, which recursively evaluates rendered templates. An attacker can inject malicious payloads into data fields, such as SSP documents or Lookup Tables, to achieve...