NoSQL Injection Vulnerability in Openwhyd Affected by JSON Manipulation
CVE-2026-123617

6.9MEDIUM

Key Information:

Vendor

Openwhyd

Status
Openwhyd
Vendor
CVE Published:
6 November 2026

What is CVE-2026-123617?

Openwhyd versions prior to 1.65.1 are susceptible to an NoSQL injection vulnerability that allows unauthenticated attackers to conduct unauthorized user lookups. By manipulating the id parameter with malicious JSON objects, attackers can leverage MongoDB query operators such as $ne or $gt, enabling them to bypass access controls and enumerate public profile records of other users via the POST /api/user endpoint.

Affected Version(s)

openwhyd 0 < 1.65.1

References

https://github.com/openwhyd/openwhyd/security/advisories/...
vendor-advisory
https://github.com/openwhyd/openwhyd/commit/167c45d6754df...
patch
https://github.com/openwhyd/openwhyd/releases/tag/v1.65.1
release-notes

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Tommaso Bona (ParzivalHack)
satoridev01
Adrien Joly
.