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Vulnerabilities

Vulnerability · CVE-2025-13465

The _.unset and _.omit functions in Lodash are vulnerable to prototype pollution.

Published Jan 21, 2026 · catalog updated Oct 17, 2026 · Red Hat

Check if you run it

No confirmed exploitation is on record for CVE-2025-13465. EPSS is 1.85%. Act only if a listed version of Red Hat is installed.

Severity
High8.2
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.85%
Remediation
Advisory link
Affected products
cpe lodash/lodash · npm lodash · npm lodash-amd · npm lodash-es · npm lodash.unset

The _.unset and _.omit functions in Lodash are vulnerable to prototype pollution. 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. The issue is patched from 4.17.23 to 4.18.0 depending on the package: lodash, lodash-es, and lodash-amd in 4.17.23, and the standalone lodash.unset and lodash.omit packages in 4.18.0.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe lodash/lodashversion unspecified
  • npm lodash4.0.0 → 4.17.23
  • npm lodash-amd4.0.0 → 4.17.23
  • npm lodash-es4.0.0 → 4.17.23
  • npm lodash.unset4.0.0 → 4.5.2

How to fix CVE-2025-13465

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-13465. EPSS is 1.85%. Act only if a listed version of Red Hat is installed.

Which versions are affected?

Compare what you have installed with 4.0.0 → 4.17.23, 4.0.0 → 4.5.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-1321: Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). EPSS 1.85%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 21, 2026 · NIST NVD

    Detected

    The _.unset and _.omit functions in Lodash are vulnerable to prototype pollution. 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. The issue is patched from 4.17.23 to 4.18.0 depending on the package: lodash, lodash-es, and lodash-amd in 4.17.23, and the s

  2. Oct 15, 2026 · NIST NVD

    Updated

    The _.unset and _.omit functions in Lodash are vulnerable to prototype pollution. 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. The issue is patched from 4.17.23 to 4.18.0 depending on the package: lodash, lodash-es, and lodash-amd in 4.17.23, and the s

  3. Oct 17, 2026 · GitHub Advisory Database

    Fix available

    lodash fixed in 4.17.23; lodash-es fixed in 4.17.23; lodash-amd fixed in 4.17.23

  4. Oct 17, 2026 · GitHub Advisory Database

    Fix available

    lodash fixed in 4.17.23

  5. Oct 17, 2026 · GitHub Advisory Database

    Fix available

    lodash.unset fixed in 4.5.2

  6. Oct 17, 2026 · GitHub Advisory Database

    Fix available

    lodash-es fixed in 4.17.23

  7. Oct 17, 2026 · GitHub Advisory Database

    Fix available

    lodash-amd fixed in 4.17.23

  8. Oct 17, 2026 · GitHub Advisory Database

    Updated

    ### Impact Lodash versions 4.0.0 through 4.17.22 are vulnerable to prototype pollution in the and 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. ### Patches This issue is patched on 4.17.23.

Sources

  • CSAF AdvisoriesVendor advisoryRHSA-2026:9848:CVE-2025-13465

    A flaw was found in Lodash. A prototype pollution vulnerability in the _.unset and _.omit functions allows an attacker able to control property paths to delete methods from global prototypes. By removing essential functionalities, this can result in a denial of service.

    security.access.redhat.com
  • CVE.orgVulnerability recordCVE-2025-13465

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-13465

    30-day exploitation probability 1.8%

    first.org
  • GitHub Advisory DatabasePackage advisoryGHSA-xxjr-mmjv-4gpg

    GitHub Advisory Database record mirrored by OSV.

    github.com
  • NIST NVDVulnerability recordCVE-2025-13465

    The _.unset and _.omit functions in Lodash are vulnerable to prototype pollution. 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. The i

    nvd.nist.gov
  • OpenSSF OSV / OSV ScannerPackage advisoryGHSA-xxjr-mmjv-4gpg

    Lodash has Prototype Pollution Vulnerability in and functions

    osv.dev

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.