What’s Vulnerable › Vulnerabilities

CVE-2023-50463

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-12-10 · updated 2026-06-17
• Weakness: CWE-290

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 products

• caddyserver caddy: through 0.6.0

References

• https://caddyserver.com/v2
• https://github.com/shift72/caddy-geo-ip/issues/4
• https://github.com/shift72/caddy-geo-ip/tags
• https://caddyserver.com/v2
• https://github.com/shift72/caddy-geo-ip/issues/4
• https://github.com/shift72/caddy-geo-ip/tags

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