CVE-2026-103088

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-103088
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-30 02:16:57 UTC
Updated2026-09-30 18:18:15 UTC
DescriptionHandlebars.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 Spring MVC application with a file: template prefix and a request-derived view name, a percent-encoded traversal such as %2e%2e/ bypasses both the view-resolver check and the loader-side containment and reads files outside the configured template base directory.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Problem Types: CWE-24 | CWE-24 CWE-24 Path Traversal: '../filedir'

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1CNACVSS7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Jknack Handlebars.java affected 4.5.3 4.5.5 maven Not specified

References

ReferenceSourceLinkTags
github.com/jknack/handlebars.java/commit/f6ae3979917d05bef07f00befb4013e... [email protected] github.com
github.com/jknack/handlebars.java/releases/tag/v4.5.5 [email protected] github.com
github.com/jknack/handlebars.java/security/advisories/GHSA-pvrx-3g7m-fpgv 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
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