undici before v5.8.0 vulnerable to CRLF injection in request headers
Impact
It is possible to inject CRLF sequences into request headers in Undici.
const undici = require('undici')
const response = undici.request("http://127.0.0.1:1000", {
headers: {'a': "\r\nb"}
})The same applies to path and method
Patches
Update to v5.8.0
Workarounds
Sanitize all HTTP headers from untrusted sources to eliminate \r\n.
References
https://hackerone.com/reports/409943 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12116
For more information
If you have any questions or comments about this advisory:
- Open an issue in undici repository
- To make a report, follow the SECURITY document
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | undici | < 5.8.0 | 5.8.0 |
References
- https://github.com/nodejs/undici/security/advisories/GHSA-3cvr-822r-rqcc
- https://nvd.nist.gov/vuln/detail/CVE-2022-31150
- https://github.com/nodejs/undici/commit/a29a151d0140d095742d21a004023d024fe93259
- https://hackerone.com/reports/409943
- https://github.com/nodejs/undici
- https://github.com/nodejs/undici/releases/tag/v5.8.0
- https://security.netapp.com/advisory/ntap-20220915-0002
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N- Weakness (CWE)
CWE-93- Platform
- npm
- Package
undici- Disclosed
- 21.07.2022
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-3cvr-822r-rqcc - CC BY 4.0
Vulnerability history: undici
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
- 46
- First → latest
- 06.2022 09.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 13
- Medium 21
- Low 12
Disclosures per year
- 2022: 5
- 2023: 3
- 2024: 5
- 2025: 2
- 2026: 31
-
undici before v5.8.0 vulnerable to CRLF injection in request headers this entry
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