convict vulnerable to Prototype Pollution
Impact
- An attacker can inject attributes that are used in other components
- An attacker can override existing attributes with ones that have incompatible type, which may lead to a crash.
The main use case of Convict is for handling server-side configurations written by the admins owning the servers, and not random users. So it's unlikely that an admin would deliberately sabotage their own server. Still a situation can happen where an admin not knowledgeable about JavaScript could be tricked by an attacker into writing the malicious JavaScript code into some config files.
Patches
The problem is patched in convict@6.2.4. Users should upgrade to convict@6.2.4.
Workarounds
No way for users to fix or remediate the vulnerability without upgrading
References
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | convict | < 6.2.4 | 6.2.4 |
References
- https://github.com/mozilla/node-convict/security/advisories/GHSA-4jrm-c32x-w4jf
- https://nvd.nist.gov/vuln/detail/CVE-2023-0163
- https://github.com/mozilla/node-convict/issues/410
- https://github.com/mozilla/node-convict/commit/fb602fbe1e9f14f2e88ecb8179d0f76466d21ecb
- https://github.com/mozilla/node-convict
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-1321- Platform
- npm
- Package
convict- Disclosed
- 10.01.2023
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-4jrm-c32x-w4jf - CC BY 4.0
Vulnerability history: convict
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
- 5
- First → latest
- 04.2022 03.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 3
- High 2
Disclosures per year
- 2022: 2
- 2023: 1
- 2024: 0
- 2025: 0
- 2026: 2
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