CVE detail
CVE-2026-6621
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.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 16.1 · diversity 6.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
4 source links · newest first
- https://vuldb.com/vuln/358256/ctivuldb.com
No excerpt available.
Exploitvuldb.comApr 20, 2026, 9:16 AM - https://vuldb.com/vuln/358256vuldb.com
No excerpt available.
Exploitvuldb.comApr 20, 2026, 9:16 AM - https://vuldb.com/submit/792387vuldb.com
No excerpt available.
Exploitvuldb.comApr 20, 2026, 9:16 AM - https://github.com/sudo-secure/security-research/blob/main/extend-deep/prototype-pollution/PoC.mdgithub.com
No excerpt available.
Exploitgithub.comApr 20, 2026, 9:16 AM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
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