CVE-2025-13465

Prototype Pollution Vulnerability in Lodash _.unset and _.omit functions

Published: Jan 21, 2026Updated: Sep 10, 2026 Sources: CVE List NVD GHSA csafCWE-1321

5.3MEDIUM

Description

Lodash versions 4.0.0 through 4.17.22 are vulnerable to prototype pollution in the _.unset and _.omit functions. An attacker can pass crafted paths which cause Lodash to delete methods from global prototypes. The issue permits deletion of properties but does not allow overwriting their original behavior. This issue is patched on 4.17.23

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:LIntegrity

Low

A:NAvailability

None

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Weaknesses

CWE-1321

Affected Products

package-ecosystem

oss-projectaka lodash-es, lodash-amd

LodashLibrary

OSS Libraries / npm

Lodash-amd

package-ecosystem

Lodash-amdLibrary

OSS Libraries / generic-library

lodash-es

package-ecosystem

lodash-esLibrary

OSS Libraries / generic-library

lodash.unset

package-ecosystem

lodash.unsetLibrary

OSS Libraries / generic-library

and 1 more affected products View all →

Exploitability

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Execution

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References

https://github.com/lodash/lodash/security/advisories/GHSA-xxjr-mmjv-4gpg

github.com

https://cert-portal.siemens.com/productcert/csaf/ssa-253495.json

cert-portal.siemens.com

https://cert-portal.siemens.com/productcert/html/ssa-253495.html

cert-portal.siemens.com

and 239 more references View all →

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