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Prototype Pollution in merge

High severity GitHub Reviewed Published Nov 1, 2018 to the GitHub Advisory Database • Updated Sep 7, 2023

Package

npm merge (npm)

Affected versions

< 1.2.1

Patched versions

1.2.1

Description

Versions of merge before 1.2.1 are vulnerable to prototype pollution. The merge.recursive function can be tricked into adding or modifying properties of the Object prototype.

Recommendation

Update to version 1.2.1 or later.

References

Published to the GitHub Advisory Database Nov 1, 2018
Reviewed Jun 16, 2020
Last updated Sep 7, 2023

Severity

High
7.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CVE ID

CVE-2018-16469

GHSA ID

GHSA-f9cm-qmx5-m98h

Source code

No known source code
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