Impact:
The fix for CVE-2021-23337 (https://github.com/advisories/GHSA-35jh-r3h4-6jhm) added validation for the variable option in _.template but did not apply the same validation to options.imports key names. Both paths flow into the same Function() constructor sink.
When an application passes untrusted input as options.imports key names, an attacker can inject default-parameter expressions that execute arbitrary code at template compilation time.
Additionally, _.template uses assignInWith to merge imports, which enumerates inherited properties via for..in. If Object.prototype has been polluted by any other vector, the polluted keys are copied into the imports object and passed to Function().
Patches:
Users should upgrade to version 4.18.0.
Workarounds:
Do not pass untrusted input as key names in options.imports. Only use developer-controlled, static key names.
References
Configurations
Configuration 1 (hide)
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History
17 Jul 2026, 13:18
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16 Jul 2026, 12:18
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14 Jul 2026, 12:17
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10 Jul 2026, 12:17
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09 Jul 2026, 13:17
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03 Jul 2026, 13:17
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02 Jul 2026, 12:17
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01 Jul 2026, 13:17
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30 Jun 2026, 03:20
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01 May 2026, 18:09
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| First Time |
Lodash lodash-amd
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| CPE | cpe:2.3:a:lodash:lodash-amd:*:*:*:*:*:node.js:*:* | |
| References | () https://github.com/advisories/GHSA-35jh-r3h4-6jhm - Not Applicable | |
| References | () https://github.com/lodash/lodash/commit/3469357cff396a26c363f8c1b5a91dde28ba4b1c - Not Applicable |
07 Apr 2026, 15:43
| Type | Values Removed | Values Added |
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| CPE | cpe:2.3:a:lodash:lodash.template:*:*:*:*:*:node.js:*:* cpe:2.3:a:lodash:lodash-es:*:*:*:*:*:node.js:*:* cpe:2.3:a:lodash:lodash-rails:*:*:*:*:*:ruby:*:* cpe:2.3:a:lodash:lodash:*:*:*:*:*:node.js:*:* |
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| First Time |
Lodash lodash-rails
Lodash Lodash lodash-es Lodash lodash.template Lodash lodash |
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| References | () https://cna.openjsf.org/security-advisories.html - Third Party Advisory | |
| References | () https://github.com/advisories/GHSA-35jh-r3h4-6jhm - Third Party Advisory | |
| References | () https://github.com/lodash/lodash/commit/3469357cff396a26c363f8c1b5a91dde28ba4b1c - Patch |
31 Mar 2026, 20:16
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| New CVE |
Information
Published : 2026-03-31 20:16
Updated : 2026-07-20 12:19
NVD link : CVE-2026-4800
Mitre link : CVE-2026-4800
CVE.ORG link : CVE-2026-4800
JSON object : View
Products Affected
lodash
- lodash.template
- lodash-amd
- lodash-es
- lodash
CWE
CWE-94
Improper Control of Generation of Code ('Code Injection')