CVE-2022-23469: Authorization header displayed in the debug logs
Vulnerability summary
CVE-2022-23469 is a medium (CVSS 6.5) vulnerability in traefik. EPSS estimates a 1.04% chance of exploitation in the next 30 days, higher than 64.1% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 3.5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2 · Related 4Timeline
- 08-12-2022PublishedVulnerability first disclosed.
- 22-04-2025Last modifiedVulnerability information updated.
Description
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 metrics
4 scores · 4 sources · 1 version- CVE.orgCNA3.5LowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:NDiffers
- OSV · GoEcosystem advisory · calculated3.5LowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:NDiffers
- OSV · AlpineEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
1.04%
Chance of exploitation in the next 30 days
Percentile
64%
Versus all other CVEs
30-day change
Increase +0.04 pp
From 1.00% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundTraefik
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Alpine1 product
- traefik< 2.9.6-r0
Github.com/traefik1 product
- traefikAll versions (No fix recorded)
Github.com/traefik/traefik1 product
- v2< 2.9.6
Traefik1 product
- traefik< 2.9.6
4 vendors · 4 products
References
6 links- github.com/traefik/traefik/security/advisories/GHSA-h2ph-vhm7-g4hpX Refsource CONFIRMWEBAdvisoryExploitPatchThird Party Advisory
- github.com/traefik/traefikPACKAGE