CVE-2023-50463

Published: Dec 10, 2023Modified: Jun 17, 2026

6.5

Vector

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

Exploitability: 2.8 / Impact: 3.6

Source: NVD

Description

The caddy-geo-ip (aka GeoIP) middleware through 0.6.0 for Caddy 2, when trust_header X-Forwarded-For is used, allows attackers to spoof their source IP address via an X-Forwarded-For header, which may bypass a protection mechanism (trusted_proxy directive in reverse_proxy or IP address range restrictions).

Affected (1)

Products: Caddyserver: Caddy

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Caddyserver Caddy	Up to 0.6.0

Related CWEs

Authentication Bypass by Spoofing

This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

References (6)

https://caddyserver.com/v2

Source: cve@mitre.org

Broken Link

https://github.com/shift72/caddy-geo-ip/issues/4

Source: cve@mitre.org

Third Party Advisory

https://github.com/shift72/caddy-geo-ip/tags

Source: cve@mitre.org

Release Notes

https://caddyserver.com/v2

Source: af854a3a-2127-422b-91ae-364da2661108

Broken Link

https://github.com/shift72/caddy-geo-ip/issues/4

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://github.com/shift72/caddy-geo-ip/tags

Source: af854a3a-2127-422b-91ae-364da2661108

Release Notes

Timeline

No history available yet.