moment is a JavaScript date library for parsing, validating, manipulating, and formatting dates. In versions 2.29.2 through 2.30.1, a specially crafted non-string object passed to moment.locale() can bypass the locale-name path-traversal guard. The guard assumes the input is a string, so an object whose match() method satisfies the check while its toString() returns a traversal path reaches an internal require() call with attacker-controlled path segments. This is an incomplete fix for CVE-2022-24785 and primarily affects npm (server-side) users that pass user-provided input directly to moment.locale(). The issue is fixed in moment 2.31.0, and users should upgrade to 2.31.0 or later. As a workaround, validate that any user-supplied input is a string before passing it to moment.locale().
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 15 Sep 2026 12:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-22
References
Metrics threat_severity

None

threat_severity

Moderate


Tue, 15 Sep 2026 05:45:00 +0000

Type Values Removed Values Added
Description moment is a JavaScript date library for parsing, validating, manipulating, and formatting dates. In versions 2.29.2 through 2.30.1, a specially crafted non-string object passed to moment.locale() can bypass the locale-name path-traversal guard. The guard assumes the input is a string, so an object whose match() method satisfies the check while its toString() returns a traversal path reaches an internal require() call with attacker-controlled path segments. This is an incomplete fix for CVE-2022-24785 and primarily affects npm (server-side) users that pass user-provided input directly to moment.locale(). The issue is fixed in moment 2.31.0, and users should upgrade to 2.31.0 or later. As a workaround, validate that any user-supplied input is a string before passing it to moment.locale().
Title moment vulnerable to Path Traversal via crafted non-string locale name
Weaknesses CWE-27
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: openjs

Published:

Updated: 2026-09-15T05:40:55.263Z

Reserved: 2026-07-26T13:49:41.562Z

Link: CVE-2026-17495

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-15T06:16:57.597

Modified: 2026-09-15T06:16:57.597

Link: CVE-2026-17495

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-09-15T05:40:55Z

Links: CVE-2026-17495 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses