--- id: CVE-2025-13465 title: "Lodash versions 4.0.0 through 4.17.22 are vulnerable to prototype pollution in the _.unset\_and _.omit\_functions" 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.\n\nThe issue permits deletion …" severity: medium cvss: 5.3 cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N' cwe: - CWE-1321 vendor: lodash product: lodash affected: - 'lodash >= 4.0.0, < 4.17.23' patched: - lodash 4.17.23 published: '2026-01-21' updated: '2026-09-10' sourceUpdated: '2026-09-10T13:16:56.537' source: NVD sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-13465' references: - url: 'https://github.com/lodash/lodash/security/advisories/GHSA-xxjr-mmjv-4gpg' label: ce714d77-add3-4f53-aff5-83d477b104bb - url: 'https://access.redhat.com/errata/RHSA-2026:11414' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:13542' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:13548' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:13829' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - 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url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2431740' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://cert-portal.siemens.com/productcert/html/ssa-253495.html' label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e - url: >- https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-13465.json label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c tags: - nvd - cve.org - exploit-available ssvc: exploitation: none automatable: 'yes' technicalImpact: partial timestamp: '2026-01-21T19:43:10.513400Z' scores: nvd: 5.3 cna: 6.9 epss: 0.0185 epssPercentile: 0.78172 exploits: github: 1 githubRepos: - 'https://github.com/jaytarr-geo/nextjs-lodash-cve-2025-13465-repro' checkedAt: '2026-09-25T08:20:47.626Z' exploitAvailable: true ingestedAt: '2026-06-30T13:26:50.530Z' --- ## Overview 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 ## Affected - `lodash >= 4.0.0, < 4.17.23` ## Remediation Upgrade past the affected range: - `lodash 4.17.23`