Caddy v2.4.6 was discovered to contain an open redirection vulnerability which allows…
Priority LOW 30CWE-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 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-601.
Summary
Caddy v2.4.6 was discovered to contain an open redirection vulnerability which allows attackers to redirect users to phishing websites via crafted URLs.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01431 73rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed github.com/caddyserver/caddy/v2 (Go): 2.5.0-beta.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | github.com/caddyserver/caddy/v2 (Go) | before 2.5.0-beta.1 | 2.5.0-beta.1 | Patch available | GHSA-qpm3-vr34-h8w8 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- github.com/caddyserver/caddy/v2 (Go) Vendor— Affected before 2.5.0-beta.1 Fixed in 2.5.0-beta.1 Patch available GHSA-qpm3-vr34-h8w8
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:caddyserver:caddy:2.4.6:*:*:*:*:*:*:* | 2.4.6 | Vulnerable | caddyserver |
- cpe:2.3:a:caddyserver:caddy:2.4.6:*:*:*:*:*:*:* Versions 2.4.6 Vulnerable ·caddyserver
Remediation
- Fix · GHSA-qpm3-vr34-h8w8 github.com/caddyserver/caddy/v2 (Go) Fixed in 2.5.0-beta.1 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 6 products
- Migration Toolkit for Containers
- OpenShift API for Data Protection
- Red Hat Advanced Cluster Management for Kubernetes 2
- Red Hat OpenShift Container Platform 4
- Red Hat OpenShift GitOps
- Red Hat Openshift Data Foundation 4
Timeline
- 2026-10-02 Threatist record created from CVE-2022-28923
- 2026-10-03 Alias added: GHSA-qpm3-vr34-h8w8
References
Exploit 1
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-2022-28923 · CVE Program
- CVE-2022-28923 · NVD
- FIRST EPSS
- GHSA-qpm3-vr34-h8w8 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-28923 · Red Hat security data · CC BY 4.0
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