CVE-2026-40895

follow-redirects is an open source, drop-in replacement for Node's `http` and `https` modules that automatically follows redirects. Prior to 1.16.0, when an HTTP request follows a cross-domain redirect (301/302/307/308), follow-redirects only strips authorization, proxy-authorization, and cookie headers (matched by regex at index.js). Any custom authentication header (e.g., X-API-Key, X-Auth-Token, Api-Key, Token) is forwarded verbatim to the redirect target. This vulnerability is fixed in 1.16.0.

Score
CVSS 3.1 7.5 High
Status
Modified - security-advisories@github.com
Published
2026-04-21
Last modified
2026-09-10
Weaknesses
CWE-200, CWE-212

Affected products

References

 
 
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