Lookup for vulnerabilities affecting packages.
| Vulnerability_id | VCID-hjed-8rnm-kkbk |
| Summary | lodash vulnerable to Prototype Pollution via array path bypass in `_.unset` and `_.omit`
### Impact
Lodash versions 4.17.23 and earlier are vulnerable to prototype pollution in the `_.unset` and `_.omit` functions. The fix for [CVE-2025-13465](https://github.com/lodash/lodash/security/advisories/GHSA-xxjr-mmjv-4gpg) only guards against string key members, so an attacker can bypass the check by passing array-wrapped path segments. This allows deletion of properties from built-in prototypes such as `Object.prototype`, `Number.prototype`, and `String.prototype`.
The issue permits deletion of prototype properties but does not allow overwriting their original behavior.
### Patches
This issue is patched in 4.18.0.
### Workarounds
None. Upgrade to the patched version. |
| Aliases |
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| 1 |
| alias |
GHSA-f23m-r3pf-42rh |
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| References |
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| reference_url |
https://api.first.org/data/v1/epss?cve=CVE-2026-2950 |
| reference_id |
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| reference_type |
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| scores |
| 0 |
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0.00023 |
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epss |
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0.06255 |
| published_at |
2026-04-21T12:55:00Z |
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epss |
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0.12856 |
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2026-04-02T12:55:00Z |
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2026-04-04T12:55:00Z |
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2026-04-07T12:55:00Z |
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2026-04-18T12:55:00Z |
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2026-04-08T12:55:00Z |
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2026-04-09T12:55:00Z |
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epss |
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0.21785 |
| published_at |
2026-04-12T12:55:00Z |
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| url |
https://api.first.org/data/v1/epss?cve=CVE-2026-2950 |
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| Weaknesses |
| 0 |
| cwe_id |
1321 |
| name |
Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') |
| description |
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. |
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| 1 |
| cwe_id |
915 |
| name |
Improperly Controlled Modification of Dynamically-Determined Object Attributes |
| description |
The product receives input from an upstream component that specifies multiple attributes, properties, or fields that are to be initialized or updated in an object, but it does not properly control which attributes can be modified. |
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| Exploits |
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| Severity_range_score | 4.0 - 6.9 |
| Exploitability | 0.5 |
| Weighted_severity | 6.2 |
| Risk_score | 3.1 |
| Resource_url | http://public2.vulnerablecode.io/vulnerabilities/VCID-hjed-8rnm-kkbk |