CVE-2026-1520 MEDIUM

CVE-2026-1520: rethinkdb Secondary Index cross site scripting

Vendor N/A
Product rethinkdb
Weakness CWE-79 · XSS
Published January 28, 2026
Last update February 23, 2026

CVSS base score

4.8/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was identified in rethinkdb up to 2.4.3. Affected by this issue is some unknown functionality of the component Secondary Index Handler. Such manipulation leads to cross site scripting. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Key dates

02Disclosure timeline

January 28, 2026 CVE published
February 23, 2026 Record updated