High
Prototype Pollution in immer
immer is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution').
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | immer | >= 7.0.0, < 9.0.6 | 9.0.6 |
References
CVSS score
7.5/10
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-1321, CWE-915- Platform
- npm
- Package
immer- Disclosed
- 07.09.2021
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-c36v-fmgq-m8hx - CC BY 4.0
Vulnerability history: immer
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 3
- First → latest
- 01.2021 09.2021
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 2
Disclosures per year
- 2021: 3
- 2022: 0
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
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Prototype Pollution in immer this entry
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