CVE-2022-23469

mediumpriority · track · 26EPSS 0.010 · 64 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.04% (64th) EPSS

CVSS 6.5 · medium

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

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`.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.5–6.5

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.13.5lowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:Nsecondary · ENISA EU

v3.13.5lowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:Nsecondary · security-advisories@github.comexploitability 1.8 · impact 1.4

v3.13.5lowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:Nsecondary · OSV

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-532USprimaryCWE-200USCWE-200USCWE-532US

affected products (4)

Products and version ranges known to be affected.

traefik traefik≤ < 2.9.6enisa_euvdEU
traefik traefik< 2.9.6nvdUScpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*
Go github.com/traefik/traefikall versionsosvUSpkg:golang/github.com/traefik/traefik
Go github.com/traefik/traefik/v2< 2.9.6osvUSpkg:golang/github.com/traefik/traefik/v2

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-h2ph-vhm7-g4hpTraefik may display authorization header in the debug logs2022-12-08ghsa · osvUS
### Impact There is a potential vulnerability in Traefik displaying the Authorization header in its debug logs. Traefik uses [oxy](https://github.com/vulcand/oxy) to provide the following features: - Round Robin: https://doc.traefik.io/traefik/routing/services/#weighted-round-robin-service - Buffering: https://doc.traefik.io/traefik/middlewares/http/buffering/ - Circuit Breaker: https://doc.traefik.io/traefik/middlewares/http/circuitbreaker/ - In-Flight Requests: https://doc.traefik.io/traefik/middlewares/http/inflightreq/ In such cases, if the log level is set to DEBUG, the credentials provided using the Authorization header are displayed in the debug logs: ``` level=debug msg="vulcand/oxy/roundrobin/rr: completed ServeHttp on request" Request="{\\"Method\\":\\"POST\\",\\"URL\\":{\\"Scheme\\":\\"\\",\\"Opaque\\":\\"\\",\\"User\\":null,\\"Host\\":\\"\\",\\"Path\\":\\"/<redacted>/<redacted>\\",\\"RawPath\\":\\"\\",\\"ForceQuery\\":false,\\"RawQuery\\":\\"\\",\\"Fragment\\":\\"\\",\\"RawFragment\\":\\"\\"},\\"Proto\\":\\"HTTP/2.0\\",\\"ProtoMajor\\":2,\\"ProtoMinor\\":0,\\"Header\\":{\\"Authorization\\":[\\"Bearer <token value was here>\\"],\\"Content-Type\\":[\\"application/grpc\\"],\\"Grpc-Accept-Encoding\\":[\\"gzip\\"],\\"Grpc-Timeout\\":[\\"29999886u\\"],\\"Te\\":[\\"trailers\\"],\\"User-Agent\\":[\\"<redacted>\\"],<remainder of log message removed> ``` ### Patches https://github.com/traefik/traefik/pull/9574 https://github.com/traefik/traefik/releases/tag/v2.9.6 ### Workarounds Set the log level to `INFO`, `WARN`, or `ERROR`. ### For more information If you have any questions or comments about this advisory, please [open an issue](https://github.com/traefik/traefik/issues).
GO-2022-1154Traefik may display authorization header in the debug logs in github.com/traefik/traefik2024-08-21vendor · osvUS
Traefik may display authorization header in the debug logs in github.com/traefik/traefik

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2022-12-08modified 2026-06-17

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+1484 more

references (10)

External citations — patches, advisories, analysis.

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