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 (4)
Core 4
Core References
Vdb Entry, Technical Description vdb-entry
technical-description
VDB-358256 | 1024bit extend-deep index.js prototype pollution
https://vuldb.com/vuln/358256
Signature, Permissions Required signature
permissions-required
VDB-358256 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/358256/cti
Third Party Advisory third-party-advisory
Submit #792387 | 1024bit extend-deep 0.1.6 Prototype Pollution
https://vuldb.com/submit/792387
Scores
CVSS v3
7.3
EPSS
0.0034
EPSS Percentile
25.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-1321
CWE-94
Status
published
Products (7)
1024bit/extend-deep
0.1.0
1024bit/extend-deep
0.1.1
1024bit/extend-deep
0.1.2
1024bit/extend-deep
0.1.3
1024bit/extend-deep
0.1.4
1024bit/extend-deep
0.1.5
1024bit/extend-deep
0.1.6
Published
Apr 20, 2026
Tracked Since
Apr 20, 2026