CVE-2026-123617 (CVSS 5.3)

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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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS — Exploit Prediction

0.0040

Probability of exploitation

0.35%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-943 CWE-943

References

Other References

https://github.com/openwhyd/openwhyd/blob/v1.65.0/app/models/user.js#L288-L294 https://github.com/openwhyd/openwhyd/commit/167c45d6754df0adb3415f71cbd7cde91cbe7874 https://github.com/openwhyd/openwhyd/releases/tag/v1.65.1 https://github.com/openwhyd/openwhyd/security/advisories/GHSA-hfg3-vq24-hprp https://www.vulncheck.com/advisories/openwhyd-before-1.65.1-nosql-injection-via-post-api-user https://github.com/openwhyd/openwhyd/security/advisories/GHSA-hfg3-vq24-hprp

Frequently Asked Questions

What is CVE-2026-123617? +

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. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-123617? +

CVE-2026-123617 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0040, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-123617? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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