CVE-2023-3696 — Prototype Pollution in GitHub repository automattic/mongoose prior to 7

Prototype Pollution in GitHub repository automattic/mongoose prior to 7.3.4.

01What is this vulnerability?

Prototype Pollution in GitHub repository automattic/mongoose prior to 7.3.4.

02Affected products

Vendor	Product	Versions
automattic	automattic/mongoose	unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-07-17T00:00:21.160Z
• Last modified: 2024-10-30T14:16:54.986Z

09References

• huntr.dev — https://huntr.dev/bounties/1eef5a72-f6ab-4f61-b31d-fc66f5b4b467
• github.com — https://github.com/automattic/mongoose/commit/305ce4ff789261df7e3f6e72363d0703e0…