CVE-2025-13465

Aliases:GHSA-xxjr-mmjv-4gpgGHSA-f23m-r3pf-42rhCVE-2026-2950
Advisory lineage Upstream: 0 Downstream: 55
Modified
Published: 21 Jan 2026, 19:05
Last modified:21 Jul 2026, 12:05

Vulnerability Summary

Overall Risk (default)
medium
33/100
CVSS Score
8.2 HIGH
v3.1 (cve.org)
EPSS Score
1.54% LOW
2% probability +1.51%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

21 Jan 2026, 19:05
Published
Vulnerability first disclosed
21 Jul 2026, 12:05
Last Modified
Vulnerability information updated

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 Metrics

  • v4.0•MEDIUM•Score: 6.9CVSS: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
  • v4.0•MEDIUM•Score: 6.9CVSS: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
  • v3.1•HIGH•Score: 8.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
  • v3.1•MEDIUM•Score: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

EPSS Trends

Current EPSS score: 1.54%• Percentile: 72%

Techniques & Countermeasures

  • CWE-1321•Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

    The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.

Affected Systems

  • lodash-amd•lodash-amd

    ≥ 4.0.0, ≤ 4.17.22

  • lodash-es•lodash-es

    ≥ 4.0.0, ≤ 4.17.22

  • lodash•lodash

    ≥ 4.0.0, < 4.17.23 | ≥ 4.0.0, ≤ 4.17.22

  • lodash.unset•lodash.unset

    4.0.0

  • Npm•lodash

    < 4.18.0 | ≥ 4.0.0, < 4.17.23

  • Npm•lodash-amd

    < 4.18.0 | ≥ 4.0.0, < 4.17.23

  • Npm•lodash-es

    < 4.18.0 | ≥ 4.0.0, < 4.17.23

  • Npm•lodash.unset

    ≥ 4.0.0, < 4.18.0 | ≥ 4.0.0, ≤ 4.5.2

References (93)