Open Redirect in Caddy

MEDIUM 6.1CVE-2022-28923 · GHSA-qpm3-vr34-h8w8 · GO-2023-1567 · Published 06/02/2023 · updated 17/06/2026

In short

CVE-2022-28923 is a MEDIUM (CVSS 6.1) vulnerability affecting github.com/caddyserver/caddy/v2, caddy (caddyserver).
Chance of exploitation in the next 30 days (EPSS): 1.4%, higher than 73.0% of all vulnerabilities.
Fix: update to 2.5.0-beta.1 or later.

Package	Affected versions	Patched versions
github.com/caddyserver/caddy/v2 Go	`< 2.5.0-beta.1`	`2.5.0-beta.1`
caddy caddyserver	`= 2.4.6`	No fix yet

Description

Caddy v2.4.6 was discovered to contain an open redirection vulnerability which allows attackers to redirect users to phishing websites via crafted URLs

NVD description

Caddy v2.4.6 was discovered to contain an open redirection vulnerability which allows attackers to redirect users to phishing websites via crafted URLs.

References

nvd.nist.gov/vuln/detail/CVE-2022-28923 · ADVISORY
caddyserver/caddy commit 78b5356 · WEB
caddyserver/caddy · PACKAGE
lednerb.de/en/publications/responsible-disclosure/caddy-open-redirect-vulnerability · WEB
pkg.go.dev/vuln/GO-2023-1567 · WEB
lednerb.de/en/publications/responsible-disclosure/caddy-open-redirect-vulnerability · Exploit
GitHub Advisory GHSA-qpm3-vr34-h8w8 · ADVISORY

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Package

Affected versions

Patched versions

github.com/caddyserver/caddy/v2

< 2.5.0-beta.1

2.5.0-beta.1

caddy

caddyserver

= 2.4.6

No fix yet