CVE-2026-93753

A flaw was found in deepmerge. This vulnerability, known as prototype poisoning, allows an attacker to inject malicious properties into an application's object prototype. This occurs in the mergeObject function due to insufficient validation of keys during object merging. By supplying specially...

SUSE CVE-2026-93753

deepmerge through 4.3.1 contains a prototype poisoning vulnerability in the mergeObject function that fails to properly validate keys being written to target objects. Attackers can supply malicious source objects in merge operations to inject attacker-controlled properties into the returned...

Linux Distros Unpatched Vulnerability : CVE-2026-93753

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - deepmerge through 4.3.1 contains a prototype poisoning vulnerability in the mergeObject function that fails to properly validate keys being written to target...

Prototype Pollution

Overview Affected versions of this package are vulnerable to Prototype Pollution via mergeObject, which fails to validate keys before writing them to target objects. An attacker can supply a malicious source object containing a proto key in a merge operation, injecting attacker-controlled...

Prototype Pollution

Overview Affected versions of this package are vulnerable to Prototype Pollution via mergeObject, which fails to validate keys before writing them to target objects. An attacker can supply a malicious source object containing a proto key in a merge operation, injecting attacker-controlled...

deepmerge mergeObject() allows prototype poisoning of returned objects

deepmerge through 4.3.1 contains a prototype poisoning vulnerability in the mergeObject function that fails to properly validate keys being written to target objects. Attackers can supply malicious source objects in merge operations to inject attacker-controlled properties into the returned...

GHSA-GCQX-W48M-W2H4 deepmerge mergeObject() allows prototype poisoning of returned objects

deepmerge through 4.3.1 contains a prototype poisoning vulnerability in the mergeObject function that fails to properly validate keys being written to target objects. Attackers can supply malicious source objects in merge operations to inject attacker-controlled properties into the returned...

DEBIAN-CVE-2026-93753

deepmerge through 4.3.1 contains a prototype poisoning vulnerability in the mergeObject function that fails to properly validate keys being written to target objects. Attackers can supply malicious source objects in merge operations to inject attacker-controlled properties into the returned...

CVE-2026-93753

Rejected reason: This CVE ID has been rejected because it does not describe a security vulnerability...

CVE-2026-93753

deepmerge through 4.3.1 contains a prototype poisoning vulnerability in the mergeObject function that fails to properly validate keys being written to target objects. Attackers can supply malicious source objects in merge operations to inject attacker-controlled properties into the returned...

UBUNTU-CVE-2026-93753

deepmerge through 4.3.1 contains a prototype poisoning vulnerability in the mergeObject function that fails to properly validate keys being written to target objects. Attackers can supply malicious source objects in merge operations to inject attacker-controlled properties into the returned...

CVE-2026-93753

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CVE-2026-93753

This CVE ID is rejected and does not represent an active vulnerability entry, as it does not describe a security vulnerability.

EUVD-2026-83258

deepmerge through 4.3.1 contains a prototype poisoning vulnerability in the mergeObject function that fails to properly validate keys being written to target objects. Attackers can supply malicious source objects in merge operations to inject attacker-controlled properties into the returned...

CVE-2026-93753

deepmerge through 4.3.1 contains a prototype poisoning vulnerability in the mergeObject function that fails to properly validate keys being written to target objects. Attackers can supply malicious source objects in merge operations to inject attacker-controlled properties into the returned...

CVE-2026-93753 deepmerge through 4.3.1 Prototype Poisoning via mergeObject

deepmerge through 4.3.1 contains a prototype poisoning vulnerability in the mergeObject function that fails to properly validate keys being written to target objects. Attackers can supply malicious source objects in merge operations to inject attacker-controlled properties into the returned...

CVE-2026-93753

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CVE-2026-93753: Improperly Controlled Modification of Object Prototype Attributes

deepmerge through 4.3.1 contains a prototype poisoning vulnerability in the mergeObject function that fails to properly validate keys being written to target objects. Attackers can supply malicious source objects in merge operations to inject attacker-controlled properties into the returned...

PT-2026-127749

deepmerge through 4.3.1 contains a prototype poisoning vulnerability in the mergeObject function that fails to properly validate keys being written to target objects. Attackers can supply malicious source objects in merge operations to inject attacker-controlled properties into the returned...

PT-2026-95593

Name of the Vulnerable Software and Affected Versions deepmerge versions prior to 4.3.2 Description The mergeObject function fails to properly validate keys written to target objects, leading to prototype poisoning. This occurs when a crafted source object containing keys such as proto ,...