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CVE-2025-13465

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

Published: Jan 21, 2026Updated: Jun 2, 2026 Sources: CVE List NVD GHSACWE-1321
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
0.3%
Top 76.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:LA:N
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

LodashLodash
Library
OSS Libraries / npm
Lodash-amdLodash-amd
Library
OSS Libraries / generic-library
lodash-eslodash-es
Library
OSS Libraries / generic-library
lodash.unsetlodash.unset
Library
OSS Libraries / generic-library
lodashlodash
Library
OSS Libraries / npm
lodashoss-projectOSS Librariesaka lodash-amd, lodash-es
lodash-amdpackage-ecosystemOSS Libraries
lodash-espackage-ecosystemOSS Libraries
lodash.unsetpackage-ecosystemOSS Libraries
and 4 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://github.com/lodash/lodash/security/advisories/GHSA-xxjr-mmjv-4gpg
github.com
https://cert-portal.siemens.com/productcert/html/ssa-253495.html
cert-portal.siemens.com
https://nvd.nist.gov/vuln/detail/CVE-2025-13465
nvd.nist.gov
and 2 more references View all →

Timeline

Published
Jan 21, 2026
Last Updated
Jun 2, 2026

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