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CVE-2026-6621

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CVE-2026-6621

Published: Apr 20, 2026

Modified: Apr 20, 2026

PUBLISHED

CVSS v3.1

7.3

HIGH

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.

VendorProductVersions

1024bit

extend-deep

affected
0.1.0
affected
0.1.1
affected
0.1.2
affected
0.1.3
affected
0.1.4

+2 more versions

Weaknesses (CWE)

CWE-1321
CWE-94

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

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