SB20260727111 - Denial of service in i18next
Published: July 27, 2026
Security Bulletin ID
SB20260727111
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Modification of assumed-immutable data (CVE-ID: CVE-2026-63402)
CWE-ID: CWE-471 - Modification of Assumed-Immutable Data
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
The vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists due to application does not perform validation of the attacker-controlled data, assuming that data is valid and safe within deepExtend in src/utils.js. A remote user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.