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CVE-2026-55760 is a low severity vulnerability with a CVSS score of 0.0. No known exploits currently, and patches are available.
Very low probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
Any application that passes user-controlled input to Handlebars.compile() using a FileTemplateLoader (or ClassPathTemplateLoader) is vulnerable to arbitrary file read. This is a realistic attack surface for web applications that use template names from URL path parameters, request parameters, or other user-controlled sources.
com.github.jknack:handlebars:4.5.2
Validate template name is derived from user input.
if (!file.getPath().startsWith(new File(prefix).getCanonicalPath())) {
throw new IOException("Path traversal attempt detected: " + location);
}
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