107 matches found
Uncaught Exception
Overview hbs is an Express.js template engine plugin for Handlebars Affected versions of this package are vulnerable to Uncaught Exception in its async helper output escaping, where a helper value carrying a truthy but non-callable toHTML property causes handlebars' escapeExpression to invoke it ...
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 hbs vulnerable to Denial of Service via unhandled exception in async helper output escaping
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...
EUVD-2026-76029
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 hbs vulnerable to Denial of Service via unhandled exception in async helper output escaping
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
hbs is an Express view engine wrapper for Handlebars. In version 4.3.0 , an unhandled TypeError is thrown during output escaping when an async helper (registered via registerAsyncHelper) resolves to an object whose toHTML property is truthy but not callable. Because the async substitution execute...
CVE-2026-87123 hbs vulnerable to Denial of Service via unhandled exception in async helper output escaping
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...
PT-2026-89815
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...
Cross-site Scripting (XSS)
Overview hbs is an Express.js template engine plugin for Handlebars Affected versions of this package are vulnerable to Cross-site Scripting XSS via the replaceAsyncValues render path in lib/hbs.js. An attacker can inject script into rendered HTML by supplying attacker-controlled data to a...
@adobe/probot-serverless-openwhisk (>=4.0.24, <=4.0.55), @csnext/cs-layer-server (>=0.0.101-beta.22, <=0.0.132-beta.207) +248 more potentially affected by CVE-2026-16231 via hbs (>=2.1.0, <=4.2.1)
hbs NPM version =2.1.0, =4.0.24, =0.0.101-beta.22, =0.7.0, =0.7.0, =0.7.0, =1.0.0, =0.19.0, =2.0.1, =0.1.5, =1.0.36, =0.9.0, =0.0.1-alpha.0, =0.1.2, =0.1.2, =0.3.2 and more Source cves: CVE-2026-16231 Source advisory: SNYK:JS-HBS-19256914...
CVE-2026-16231
hbs is an Express view engine that wraps Handlebars. Its registerAsyncHelper API bypasses Handlebars' automatic HTML escaping: an async helper returns an opaque placeholder during the first render pass, so the double-brace expression escapes only the placeholder, and after rendering hbs substitut...
CVE-2026-16231 hbs vulnerable to XSS via registerAsyncHelper output-escaping bypass
hbs is an Express view engine that wraps Handlebars. Its registerAsyncHelper API bypasses Handlebars' automatic HTML escaping: an async helper returns an opaque placeholder during the first render pass, so the double-brace expression escapes only the placeholder, and after rendering hbs substitut...
CVE-2026-16231 hbs vulnerable to XSS via registerAsyncHelper output-escaping bypass
hbs is an Express view engine that wraps Handlebars. Its registerAsyncHelper API bypasses Handlebars' automatic HTML escaping: an async helper returns an opaque placeholder during the first render pass, so the double-brace expression escapes only the placeholder, and after rendering hbs substitut...
EUVD-2026-65392
hbs is an Express view engine that wraps Handlebars. Its registerAsyncHelper API bypasses Handlebars' automatic HTML escaping: an async helper returns an opaque placeholder during the first render pass, so the double-brace expression escapes only the placeholder, and after rendering hbs substitut...
CVE-2026-16231
hbs , an Express view engine wrapping Handlebars, has a cross-site scripting vulnerability in its registerAsyncHelper API. An async helper returns an opaque placeholder during the first render pass, so Handlebars' double-brace escaping applies only to the placeholder. After rendering, hbs substit...
CVE-2026-16231 hbs vulnerable to XSS via registerAsyncHelper output-escaping bypass
hbs is an Express view engine that wraps Handlebars. Its registerAsyncHelper API bypasses Handlebars' automatic HTML escaping: an async helper returns an opaque placeholder during the first render pass, so the double-brace expression escapes only the placeholder, and after rendering hbs substitut...
CVE-2026-16231: Improper Neutralization of Input During Web Page Generation
hbs is an Express view engine that wraps Handlebars. Its registerAsyncHelper API bypasses Handlebars' automatic HTML escaping: an async helper returns an opaque placeholder during the first render pass, so the double-brace expression escapes only the placeholder, and after rendering hbs substitut...
PT-2026-81252
Name of the Vulnerable Software and Affected Versions hbs versions 2.1.0 through 4.2.1 Description The registerAsyncHelper API in the hbs Express view engine bypasses the automatic HTML escaping of Handlebars. During the first render pass, an async helper returns an opaque placeholder that is...
CVE-2025-62842: External Control of File Name or Path
An external control of file name or path vulnerability has been reported to affect HBS 3 Hybrid Backup Sync. If an attacker gains local network access, they can then exploit the vulnerability to read or modify files or directories. We have already fixed the vulnerability in the following version:...