CVE-2025-13465

🔶 medium

Summary

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 Score

5.3

Medium

EPSS Score

0.0

Exploit Probability

Published Date

2026-01-21

First Seen: 2026-01-28

📊 Relative Risk Intelligence

This CVE is Lower Risk - more severe than 19.8% of all 317,883 vulnerabilities in our database.

#254,789

Below average severity

Severity Percentile

🎯 CISA SSVC Assessment Updated: Jan 21, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

YES

Can be exploited automatically

💥 Technical Impact

Partial

Limited system impact

🏆 Discovered By

Lukas Euler Jordan Harband (analyst) Michał Lipiński (remediation reviewer) Ulises Gascón (remediation developer)

SSVC data provided by CISA

Last Modified 2026-02-17

Source NVD 🔗

CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS Vector 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CWE IDs (Weakness Types)

CWE-1321

📦 Affected Products 1

Vendor	Product	Status	Affected Versions
lodash	lodash	Affected	> 4.0.0 < 4.17.23

🔗 References 1

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2020-28500	🔶 medium	5.3	0.3	Lodash versions prior to 4.17.21 are vulnerable to Regular Expression Denial of Service (ReDoS) via the toNumber, trim a...	2021-02-15
CVE-2021-23337	⚠️ high	7.2	0.7	Lodash versions prior to 4.17.21 are vulnerable to Command Injection via the template function.	2021-02-15
CVE-2020-8203	⚠️ high	7.4	2.6	Prototype pollution attack when using _.zipObjectDeep in lodash before 4.17.20.	2020-07-15
CVE-2019-10744	⛔ critical	9.1	2.4	Versions of lodash lower than 4.17.12 are vulnerable to Prototype Pollution. The function defaultsDeep could be tricked ...	2019-07-26
CVE-2019-1010266	🔶 medium	6.5	0.2	lodash prior to 4.17.11 is affected by: CWE-400: Uncontrolled Resource Consumption. The impact is: Denial of service. Th...	2019-07-17
CVE-2018-16487	🔶 medium	5.6	0.4	A prototype pollution vulnerability was found in lodash <4.17.11 where the functions merge, mergeWith, and defaultsDeep ...	2019-02-01

These CVEs affect the same products