CVE-2026-40895
Medium
Elevated severity or exploit probability.
CVSS base
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS — probability of exploitation (30 days)
0.8%
55.5th percentile
CISA KEV
Not listed
Weakness / dates
CWE-212
Published 2026-04-21 · modified 2026-09-10
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.
Affected
References
- https://github.com/follow-redirects/follow-redirects/security/advisories/GHSA-r4q5-vmmm-2653
- https://access.redhat.com/errata/RHSA-2026:13826
- https://access.redhat.com/errata/RHSA-2026:14937
- https://access.redhat.com/errata/RHSA-2026:16476
- https://access.redhat.com/errata/RHSA-2026:16532
- https://access.redhat.com/errata/RHSA-2026:16534
- https://access.redhat.com/errata/RHSA-2026:16535
- https://access.redhat.com/errata/RHSA-2026:16542
- https://access.redhat.com/errata/RHSA-2026:16874
- https://access.redhat.com/errata/RHSA-2026:17657
- https://access.redhat.com/errata/RHSA-2026:17699
- https://access.redhat.com/errata/RHSA-2026:17789
- https://access.redhat.com/errata/RHSA-2026:19109
- https://access.redhat.com/errata/RHSA-2026:19375
- https://access.redhat.com/errata/RHSA-2026:19712
- https://access.redhat.com/errata/RHSA-2026:20889
- https://access.redhat.com/errata/RHSA-2026:20938
- https://access.redhat.com/errata/RHSA-2026:21017
- https://access.redhat.com/errata/RHSA-2026:21338
- https://access.redhat.com/errata/RHSA-2026:21772
- https://access.redhat.com/errata/RHSA-2026:22465
- https://access.redhat.com/errata/RHSA-2026:22629
- https://access.redhat.com/errata/RHSA-2026:22840
- https://access.redhat.com/errata/RHSA-2026:23361
- https://access.redhat.com/errata/RHSA-2026:24536
- https://access.redhat.com/errata/RHSA-2026:24539
- https://access.redhat.com/errata/RHSA-2026:24766
- https://access.redhat.com/errata/RHSA-2026:24853
- https://access.redhat.com/errata/RHSA-2026:24977
- https://access.redhat.com/errata/RHSA-2026:25271