CVE-2026-63308 Helm Files.Lines Denial of Service via Empty Chart Files

Helm through 4.2.3, fixed in commit ba6c9a2, contains a denial of service vulnerability in the Files.Lines template helper in pkg/engine/files.go that allows attackers to trigger an index out of range panic by including zero-length byte slices in chart files. Attackers can include empty files in...

EUVD-2026-45213

Helm through 4.2.3, fixed in commit ba6c9a2, contains a denial of service vulnerability in the Files.Lines template helper in pkg/engine/files.go that allows attackers to trigger an index out of range panic by including zero-length byte slices in chart files. Attackers can include empty files in...

CVE-2026-46633

A flaw was found in Twig, a template language for PHP. This vulnerability occurs because the Compiler::string function does not properly escape single quotes when processing a template name from a % use % tag within a PHP single-quoted string literal. A remote attacker could craft a malicious...

CVE-2026-48808

Twig is a template language for PHP. Prior to 3.27.0, the column filter passes the active sandbox state as a boolean but does not forward the current Source to SandboxExtension::checkPropertyAllowed, so SourcePolicyInterface decisions are lost and a template author can read public or magic...

CVE-2026-48808

Twig is a template language for PHP. Prior to 3.27.0, the column filter passes the active sandbox state as a boolean but does not forward the current Source to SandboxExtension::checkPropertyAllowed, so SourcePolicyInterface decisions are lost and a template author can read public or magic...

CVE-2026-48805

Twig is a template language for PHP. Prior to 3.27.0, deprecated internal wrappers in src/Resources/core.php do not forward the current sandbox state to CoreExtension::checkArrow, arraySome, and arrayEvery, allowing legacy calls such as twigarraysome, twigarrayevery, and twigcheckarrowinsandbox t...

CVE-2026-47732

Twig is a template language for PHP. Prior to 3.26.0, several Twig language constructs trigger PHP string coercion on a Stringable operand without consulting SecurityPolicy::checkMethodAllowed, allowing a sandboxed template author to invoke toString on objects reachable in the render context...

CVE-2026-46628

Twig is a template language for PHP. Prior to 3.26.0, the deprecated spaceless filter is registered as safe for HTML, causing Twig autoescaping to emit attacker-controlled markup unescaped when spaceless is applied to untrusted input. This issue is fixed in version 3.26.0...

CVE-2026-48806

Twig is a template language for PHP. Prior to 3.27.0, ArrayExpression does not guard dynamic mapping keys that are coerced to strings, allowing PHP to invoke toString on a Stringable object used as a mapping key without calling SandboxExtension::ensureToStringAllowed. This issue is fixed in versi...

CVE-2026-49981

Twig is a template language for PHP. Prior to 3.27.0, the per-template filter, tag, and function allow-list verdict is computed when a Template instance is constructed and can remain cached after sandbox state changes between renders, allowing a later sandboxed render to reuse a template that was...

CVE-2026-46640

Twig is a template language for PHP. From 3.15.0 until 3.26.0, self. and import-alias dynamic attribute syntax can concatenate an attacker-controlled string into a MacroReferenceExpression name without identifier validation, causing raw PHP to be emitted into the generated template source and...

CVE-2026-46629 Twig: Unbounded formatter memoisation in twig/intl-extra keyed on template-controlled arguments

Twig is a template language for PHP. Prior to 3.26.0, twig/intl-extra memoises IntlDateFormatter and NumberFormatter instances in arrays keyed by template-controlled filter arguments such as locale, pattern, and attrs, allowing a template to allocate many ICU formatter objects that remain pinned...

CVE-2026-46629 Twig: Unbounded formatter memoisation in twig/intl-extra keyed on template-controlled arguments

Twig is a template language for PHP. Prior to 3.26.0, twig/intl-extra memoises IntlDateFormatter and NumberFormatter instances in arrays keyed by template-controlled filter arguments such as locale, pattern, and attrs, allowing a template to allocate many ICU formatter objects that remain pinned...

CVE-2026-46633

Twig is a template language for PHP. Prior to 3.26.0, Compiler::string does not escape single quotes when a template name from a % use % tag is placed inside a PHP single-quoted string literal, allowing a crafted template name to terminate the string and inject arbitrary PHP expressions into the...

CVE-2026-47732

Twig is a template language for PHP. Prior to 3.26.0, several Twig language constructs trigger PHP string coercion on a Stringable operand without consulting SecurityPolicy::checkMethodAllowed, allowing a sandboxed template author to invoke toString on objects reachable in the render context...

PYSEC-2026-2975 PyBlade: SSTI/RCE via Bypassed AST Validation in sandbox.py

A vulnerability has been found in AntaresMugisho PyBlade 0.1.8-alpha/0.1.9-alpha. The affected element is the function issafeast of the file sandbox.py of the component AST Validation. Such manipulation leads to improper neutralization of special elements used in a template engine. The attack may...

CVE-2026-55575

LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. Prior to 10.27.1, the pop array filter at src/filters/array.ts allocated a full clone of its input array via ...toArrayv without calling this.context.memoryLimit.use..., allowing a template render such as hugearra...

CVE-2026-55575 LiquidJS: `pop` filter bypasses `memoryLimit` accounting that its array-filter siblings enforce

LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. Prior to 10.27.1, the pop array filter at src/filters/array.ts allocated a full clone of its input array via ...toArrayv without calling this.context.memoryLimit.use..., allowing a template render such as hugearra...

CVE-2026-55760 handlebars.java FileTemplateLoader Path Traversal

Handlebars.java provides logic-less and semantic Mustache templates with Java. Prior to 4.5.2, applications that pass user-controlled input to Handlebars.compile using FileTemplateLoader or ClassPathTemplateLoader are vulnerable to path traversal, allowing arbitrary file read through template nam...

PYSEC-2026-1844 pyspur Incomplete Filtering of Special Elements allowed by SingleLLMCallNode function

A vulnerability was found in PySpur-Dev pyspur up to 0.1.18. It has been classified as critical. Affected is the function SingleLLMCallNode of the file backend/pyspur/nodes/llm/singlellmcall.py of the component Jinja2 Template Handler. The manipulation of the argument usermessage leads to imprope...