Authorization header displayed in the debug logs
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-200.
Summary
Traefik is an open source HTTP reverse proxy and load balancer. Versions prior to 2.9.6 are subject to a potential vulnerability in Traefik displaying the Authorization header in its debug logs. In certain cases, if the log level is set to DEBUG, credentials provided using the Authorization header are displayed in the debug logs. Attackers must have access to a users logging system in order for credentials to be stolen. This issue has been addressed in version 2.9.6. Users are advised to upgrade. Users unable to upgrade may set the log level to `INFO`, `WARN`, or `ERROR`.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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 |
|---|---|---|---|---|---|
| traefik | traefik | before 2.9.6 | 2.9.6 | Patch available | CNA |
| — | github.com/traefik/traefik/v2 (Go) | before 2.9.6 | 2.9.6 | Patch available | GHSA-h2ph-vhm7-g4hp |
- traefik Vendortraefik Affected before 2.9.6 Fixed in 2.9.6 Patch available CNA
- github.com/traefik/traefik/v2 (Go) Vendor— Affected before 2.9.6 Fixed in 2.9.6 Patch available GHSA-h2ph-vhm7-g4hp
Remediation
- Fix · CNA traefik (traefik) Fixed in 2.9.6
- Fix · GHSA-h2ph-vhm7-g4hp github.com/traefik/traefik/v2 (Go) Fixed in 2.9.6 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2022-23469
- 2026-10-03 Alias added: GHSA-h2ph-vhm7-g4hp
References
More Traefik vulnerabilities
- TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
- TI-2023-25774 Uncontrolled Resource Consumption in Traefik CVSS 3.1HIGH 7.5
- TI-2025-40914 Traefik doesn't Prevent Path Normalization Bypass in Router + Middleware Rules CVSS 4.0MEDIUM 6.9
- TI-2024-30459 HTTP client can remove the X-Forwarded headers in Traefik CVSS 3.1CRITICAL 9.8
- TI-2026-60261 Traefik v3.7.0 Authentication Bypass via from-to-www-redirect CVSS 4.0CRITICAL 9.3
- TI-2026-60033 Traefik HTTP/3 Backend NTLM Connection Reuse CVSS 4.0CRITICAL 9.1
Sources
- CVE-2022-23469 · CVE Program
- CVE-2022-23469 · NVD
- FIRST EPSS
- GHSA-h2ph-vhm7-g4hp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences