CVE-2023-26113 — Versions of the package collection

Versions of the package collection.js before 6.8.1 are vulnerable to Prototype Pollution via the extend function in Collection.js/dist/node/iterators/extend.js.

01What is this vulnerability?

Versions of the package collection.js before 6.8.1 are vulnerable to Prototype Pollution via the extend function in Collection.js/dist/node/iterators/extend.js.

02Affected products

Vendor	Product	Versions
n	a / collection.js	0

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

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

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: 2023-03-18T05:00:01.243Z
• Last modified: 2025-02-26T17:12:06.093Z

09References

• security.snyk.io — https://security.snyk.io/vuln/SNYK-JS-COLLECTIONJS-3185148
• github.com — https://github.com/kobezzza/Collection/issues/27
• github.com — https://github.com/kobezzza/Collection/blob/be32c48e68f49d3be48a58e929d1ab8ff1d2…
• github.com — https://github.com/kobezzza/Collection/releases/tag/v6.8.1
• github.com — https://github.com/kobezzza/Collection/commit/d3d937645f62f37d3115d6aa90bb510fd8…