CVE-2026-6621

Description

A vulnerability was determined in 1024bit extend-deep up to 0.1.6. The impacted element is an unknown function of the file index.js. This manipulation of the argument __proto__ causes improperly controlled modification of object prototype attributes. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The code repository of the project has not been active for many years.

References

https://vuldb.com/vuln/358256/cti

https://vuldb.com/vuln/358256

https://vuldb.com/submit/792387

https://github.com/sudo-secure/security-research/blob/main/extend-deep/prototype-pollution/PoC.md

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4