SB2026091607 - Path traversal in Moment.js

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Main Vulnerability Database SB2026091607

SB2026091607 - Path traversal in Moment.js

Published: September 16, 2026

Security Bulletin ID SB2026091607
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Path traversal (CVE-ID: CVE-2026-17495)

CWE-ID: CWE-27 - Path Traversal: \'dir/../../filename\'

CVSSv4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to load a file from an attacker-controlled path.

The vulnerability exists due to path traversal in the moment.locale() function when processing a non-string, attacker-influenced locale name. A remote attacker can pass a specially crafted object to moment.locale() to load a file from an attacker-controlled path.

Only server-side npm users are affected; plain string locale names are not affected.


Remediation

Install update from vendor's website.

References