Caddy v2.4 was discovered to contain an open redirect vulnerability.
Priority LOW 29CWE-601Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-601.
Summary
Caddy v2.4 was discovered to contain an open redirect vulnerability. A remote unauthenticated attacker may exploit this vulnerability to redirect users to arbitrary web URLs by tricking the victim users to click on crafted links.
Why it matters now
EPSS 0.01076 65th percentileScored 2026-11-07
Fix Fixed github.com/caddyserver/caddy (Go): 2.5.0github.com/caddyserver/caddy/v2 (Go): 2.5.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | github.com/caddyserver/caddy (Go) | before 2.5.0 | 2.5.0 | Patch available | GHSA-2927-hv3p-f3vp |
| — | github.com/caddyserver/caddy/v2 (Go) | before 2.5.0 | 2.5.0 | Patch available | GHSA-2927-hv3p-f3vp |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- github.com/caddyserver/caddy (Go) Vendor— Affected before 2.5.0 Fixed in 2.5.0 Patch available GHSA-2927-hv3p-f3vp
- github.com/caddyserver/caddy/v2 (Go) Vendor— Affected before 2.5.0 Fixed in 2.5.0 Patch available GHSA-2927-hv3p-f3vp
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:caddyserver:caddy:*:*:*:*:*:*:*:* | 2.4.0 to before 2.5.0 | Vulnerable | caddyserver |
- cpe:2.3:a:caddyserver:caddy:*:*:*:*:*:*:*:* Versions 2.4.0 to before 2.5.0 Vulnerable ·caddyserver
Remediation
- Fix · GHSA-2927-hv3p-f3vp github.com/caddyserver/caddy (Go) Fixed in 2.5.0 Advisory →
- Fix · GHSA-2927-hv3p-f3vp github.com/caddyserver/caddy/v2 (Go) Fixed in 2.5.0 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2022-29718
- 2026-10-03 Alias added: GHSA-2927-hv3p-f3vp
References
More caddyserver Caddy vulnerabilities
- TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
- TI-2026-21978 Improper input validation in caddyserver caddy CVSS 4.0HIGH 8.9
- TI-2026-21974 Caddy's mTLS client authentication silently fails open when CA certificate file is missing or malformed CVSS 4.0HIGH 8.8
- TI-2026-23680 Improper authentication in caddyserver caddy CVSS 3.1HIGH 8.8
- TI-2026-21976 Caddy: MatchHost becomes case-sensitive for large host lists (>100), enabling host-based route/auth bypass CVSS 4.0HIGH 7.7
- TI-2026-21975 Caddy: MatchPath %xx (escaped-path) branch skips case normalization, enabling path-based route/auth bypass CVSS 4.0HIGH 7.7
Sources
- CVE-2022-29718 · CVE Program
- CVE-2022-29718 · NVD
- FIRST EPSS
- GHSA-2927-hv3p-f3vp · GitHub Advisory Database · CC BY 4.0
- CVE-2022-29718 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences