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CLEANSTART-2026-FU60890 — moment is a JavaScript date library for parsing, validating, manipulating, and formatting dates

Affected: CleanStart: argo-workflows

Security vulnerability affects the argo-workflows package. moment is a JavaScript date library for parsing, validating, manipulating, and formatting dates.

EUVD-2026-368821

fkie_cve-2026-17495

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().

GHSA-4p3w-j4w9-5jqw — moment vulnerable to Path Traversal via crafted non-string locale name

Affected: npm: moment

### Impact

moment before 2.31.0 is vulnerable to path traversal in `moment.locale()`. When an application passes a non-string, attacker-influenced value to `moment.locale()`, a specially crafted object can bypass the locale name validation and cause moment to load a file from an attacker-controlled path. This is a further bypass of the validation added in 2.29.2 for [CVE-2022-24785](https://github.com/moment/moment/security/advisories/GHSA-8hfj-j24r-96c4).

This affects server-side (npm) users only. Plain string input is not affected: the existing validation correctly rejects strings that contain path separators.

### Patches

This issue is patched in moment 2.31.0.

### Workarounds

Validate that any user-supplied input is a string before passing it to `moment.locale()`.

UBUNTU-CVE-2026-17495

Affected: Ubuntu:Pro:16.04:LTS: node-moment, Ubuntu:18.04:LTS: node-moment, Ubuntu:20.04:LTS: node-moment, Ubuntu:22.04:LTS: node-moment, Ubuntu:22.04:LTS: python-xstatic-moment, Ubuntu:24.04:LTS: node-moment, Ubuntu:24.04:LTS: python-xstatic-moment, Ubuntu:26.04:LTS: node-moment, Ubuntu:26.04:LTS: python-xstatic-moment