CVE-2026-40895

HIGH

7.5

Description

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/21/2026

Last Modified4/23/2026

Sourcenvd

Honeypot Sightings0

Affected Products

follow-redirects_project:follow-redirects

Weaknesses (CWE)

CWE-200

References

https://github.com/follow-redirects/follow-redirects/security/advisories/GHSA-r4q5-vmmm-2653(security-advisories@github.com)

IOC Correlations

No correlations recorded

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