Skip to main content

Traefik CVE-2022-23469

MEDIUM
Information Exposure (CWE-200)
2022-12-08 security-advisories@github.com
6.5
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection Data exposure prevention
MITRE ATT&CK

2 techniques across 2 tactics: Collection, Discovery

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

A remote attacker could access sensitive data that should not be disclosed by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 1.0% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

Traefik is an open source HTTP reverse proxy and load balancer. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Minimize information in error messages, implement proper access controls, encrypt sensitive data at rest and in transit.

Affected Packages

go github.com/traefik/traefik no fix
go github.com/traefik/traefik/v2 fix: 2.9.6

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 2 packages in go

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Exposure of Sensitive Information (CWE-200), which allows attackers to access sensitive data that should not be disclosed. 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. Affected products include: Traefik. Version information: prior to 2.9.6.

Know when Traefik gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

DescriptionNVD

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.

Threat Intelligence Overview

EPSS Score
1.0%
Top 42% exploitable
Exploit
POC
Public exploit code exists
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC Yes
EPSS 1.0%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

53
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +32
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*
CVE-2023-44487 HIGH POC
7.5 Oct 10

Denial of service against HTTP/2 server implementations allows remote unauthenticated attackers to exhaust server resour

CVE-2026-85595 CRITICAL POC
9.3 Sep 04

Authentication bypass in Traefik reverse proxy before v2.11.55 lets remote unauthenticated attackers defeat any route pr

CVE-2026-88007 CRITICAL POC
9.1 Sep 10

Backend connection hijacking in Traefik reverse proxy (2.11.0 through 2.11.56 and 3.0.0 through 3.7.12) lets an unauthen

CVE-2026-88009 HIGH POC
8.8 Sep 10

HTTP/1 request-target parsing in Traefik prior to 2.11.57 and 3.7.13 allows unauthenticated remote attackers to send a r

CVE-2026-65600 HIGH POC
7.8 Jul 22

Authentication bypass in the Traefik reverse proxy (v2.11.51 and earlier, v3.6.0-v3.6.22, and v3.7.0-v3.7.6) allows unau

CVE-2026-67309 HIGH POC
7.8 Aug 01

Route-level authentication bypass in Traefik v3.7.0-v3.7.7 allows unauthenticated remote attackers to reach backend endp

CVE-2023-47633 HIGH POC
7.5 Dec 04

Traefik is an open source HTTP reverse proxy and load balancer. Rated high severity (CVSS 7.5), this vulnerability is re

CVE-2019-12452 HIGH POC
7.5 May 29

types/types.go in Containous Traefik 1.7.x through 1.7.11, when the --api flag is used and the API is publicly reachable

CVE-2026-88008 HIGH POC
7.0 Sep 10

Security middleware bypass in Traefik reverse proxy versions 2.11.26-2.11.56 and 3.4.2-3.7.12 allows unauthenticated net

CVE-2026-88004 HIGH POC
7.0 Sep 10

Traefik's header-security defenses (aliasHeadersStrategy, underscoreHeadersStrategy, forwardedHeaders) inspect req.Heade

CVE-2025-66490 MEDIUM POC
6.9 Dec 09

Path normalization bypass in Traefik allows unauthenticated remote attackers to circumvent the middleware chain on path-

CVE-2023-47106 MEDIUM POC
6.5 Dec 04

Traefik is an open source HTTP reverse proxy and load balancer. Rated medium severity (CVSS 6.5), this vulnerability is

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy