CVE-2026-106444 Handlebars: JavaScript Injection via Unsafe Inline Embedding of Precompiled Templates

Handlebars provides the power necessary to let users build semantic templates. From 4.0.0 until 4.7.10, Handlebars.precompile uses quotedString in lib/handlebars/compiler/code-gen.js to emit static template text into generated JavaScript without escaping sequences that terminate an enclosing HTML...

CVE-2026-106444: Improper Encoding or Escaping of Output

Handlebars provides the power necessary to let users build semantic templates. From 4.0.0 until 4.7.10, Handlebars.precompile uses quotedString in lib/handlebars/compiler/code-gen.js to emit static template text into generated JavaScript without escaping sequences that terminate an enclosing HTML...

PT-2026-107116

Name of the Vulnerable Software and Affected Versions Handlebars versions 4.0.0 through 4.7.9 Description The Handlebars.precompile function uses quotedString in lib/handlebars/compiler/code-gen.js to emit static template text into generated JavaScript without escaping sequences that terminate an...

PT-2026-107182

Name of the Vulnerable Software and Affected Versions Handlebars versions 4.0.0 through 4.7.9 Description Handlebars.compile and Handlebars.precompile functions accept pre-parsed AST Abstract Syntax Tree objects but only validate specific PathExpression, NumberLiteral, and BooleanLiteral values...

PT-2026-107181

Name of the Vulnerable Software and Affected Versions Handlebars versions 4.0.0 through 4.7.9 Description Handlebars contains an issue where the lookupProperty function returns Function.prototype.constructor before applying the prototype-access deny list, as constructor is an own property of...

CVE-2026-106446: Improper Control of Generation of Code

Handlebars provides the power necessary to let users build semantic templates. From 4.0.0 until 4.7.10, Handlebars.compile and Handlebars.precompile accept pre-parsed AST objects while validating only selected PathExpression, NumberLiteral, and BooleanLiteral values. This issue bypasses the AST...

CVE-2026-106445: Incomplete List of Disallowed Inputs

Handlebars provides the power necessary to let users build semantic templates. From 4.0.0 until 4.7.10, Handlebars lookupProperty returns Function.prototype.constructor before applying the prototype-access deny list because constructor is an own property of Function.prototype. When an attacker ca...

CVE-2026-103088

Handlebars.java before 4.5.5 allows directory traversal. In handlebars-springmvc 4.5.3 and 4.5.4, the path-containment fix for CVE-2026-63490 validates template locations as raw percent-encoded strings, whereas the template file is opened through a URL handler that percent-decodes the path. In a...

CVE-2026-103088

Handlebars.java before 4.5.5 allows directory traversal. In handlebars-springmvc 4.5.3 and 4.5.4, the path-containment fix for CVE-2026-63490 validates template locations as raw percent-encoded strings, whereas the template file is opened through a URL handler that percent-decodes the path. In a...

EUVD-2026-89555

Handlebars.java before 4.5.5 allows directory traversal. In handlebars-springmvc 4.5.3 and 4.5.4, the path-containment fix for CVE-2026-63490 validates template locations as raw percent-encoded strings, whereas the template file is opened through a URL handler that percent-decodes the path. In a...

CVE-2026-103088

Handlebars.java before 4.5.5 allows directory traversal. In handlebars-springmvc 4.5.3 and 4.5.4, the path-containment fix for CVE-2026-63490 validates template locations as raw percent-encoded strings, whereas the template file is opened through a URL handler that percent-decodes the path. In a...

CVE-2026-103088

Handlebars.java versions prior to 4.5.5 are vulnerable to a directory traversal flaw. Specifically, in handlebars-springmvc versions 4.5.3 and 4.5.4 , the path-containment fix for CVE-2026-63490 incorrectly validates template locations as raw percent-encoded strings while the underlying URL handl...

CVE-2026-103088

Handlebars.java before 4.5.5 allows directory traversal. In handlebars-springmvc 4.5.3 and 4.5.4, the path-containment fix for CVE-2026-63490 validates template locations as raw percent-encoded strings, whereas the template file is opened through a URL handler that percent-decodes the path. In a...

CVE-2026-55847

Allure 2 is the version 2.x branch of Allure Report, a multi-language test reporting tool. Prior to 2.39.0, the ansi.js helper at allure-generator/src/main/javascript/helpers/ansi.js passes attacker-influenced statusMessage and statusTrace values through AnsiToHtml without HTML escaping and wraps...

CVE-2026-55847

Allure 2 (a multi-language test reporting tool) is vulnerable to stored XSS in the ansi.js Handlebars helper within allure-generator. Prior to 2.39.0 , attacker-controlled statusMessage and statusTrace values (sourced from JUnit XML, TRX, xUnit, xctest, or Allure1/2 plugins) are passed through th...

CVE-2026-55847 Allure: Stored XSS via unescaped ANSI helper in Allure report status message/trace rendering

Allure 2 is the version 2.x branch of Allure Report, a multi-language test reporting tool. Prior to 2.39.0, the ansi.js helper at allure-generator/src/main/javascript/helpers/ansi.js passes attacker-influenced statusMessage and statusTrace values through AnsiToHtml without HTML escaping and wraps...

EUVD-2026-77688

Allure 2 is the version 2.x branch of Allure Report, a multi-language test reporting tool. Prior to 2.39.0, the ansi.js helper at allure-generator/src/main/javascript/helpers/ansi.js passes attacker-influenced statusMessage and statusTrace values through AnsiToHtml without HTML escaping and wraps...

CVE-2026-55847: Improper Neutralization of Input During Web Page Generation

Allure 2 is the version 2.x branch of Allure Report, a multi-language test reporting tool. Prior to 2.39.0, the ansi.js helper at allure-generator/src/main/javascript/helpers/ansi.js passes attacker-influenced statusMessage and statusTrace values through AnsiToHtml without HTML escaping and wraps...

CVE-2026-87123

hbs is an Express view engine wrapper for Handlebars. Version 4.3.0 can crash the Node.js process during output escaping when an async helper, registered with registerAsyncHelper, resolves to an object whose toHTML property is truthy but not callable. Handlebars escapeExpression calls the toHTML...

CVE-2026-87123: Uncaught Exception

hbs is an Express view engine wrapper for Handlebars. Version 4.3.0 can crash the Node.js process during output escaping when an async helper, registered with registerAsyncHelper, resolves to an object whose toHTML property is truthy but not callable. Handlebars escapeExpression calls the toHTML...