Openwhyd before 1.65.1 NoSQL Injection via POST /api/user

Advisories

Openwhyd before 1.65.1 NoSQL Injection via POST /api/user

Severity: medium
Date: 11/6/2026
Affecting: openwhyd >= 0, < 1.65.1
CVE: CVE-2026-123617
CWE: CWE-943 Improper Neutralization of Special Elements in Data Query Logic
CVSS: 6.9
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
References: GitHub Security Advisory (GHSA-hfg3-vq24-hprp)
Fix commit
openwhyd v1.65.1 Release Notes
Vulnerable lookup in app/models/user.js
Credit: Tommaso Bona (ParzivalHack), satoridev01, Adrien Joly
Description: Openwhyd before 1.65.1 contains a NoSQL injection vulnerability that allows unauthenticated attackers to manipulate user lookups by passing JSON objects in the id parameter. Attackers can send MongoDB query operators such as $ne or $gt to POST /api/user to select and enumerate other users' public profile records.

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