Known Vulnerabilities for Traefik by Containous

Listed below are 6 of the newest known vulnerabilities associated with "Traefik" by "Containous".

These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.

Data on known vulnerable versions is also displayed based on information from known CPEs

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2026-34206 json Captcha Protect is a Traefik middleware to add an anti-bot challenge to individual IPs in a subnet when traffic spikes are de... Not Provided 2026-03-31 2026-04-01
CVE-2026-33433 json Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.42, 3.6.11, and 3.7.0-ea.3, when `headerField` is ... Not Provided 2026-03-27 2026-03-30
CVE-2026-32695 json Traefik is an HTTP reverse proxy and load balancer. Prior to versions 3.6.11 and 3.7.0-ea.2, Traefik's Knative provider build... Not Provided 2026-03-27 2026-03-30
CVE-2021-27375 json Traefik before 2.4.5 allows the loading of IFRAME elements from other domains. 5.3 - MEDIUM 2021-02-18 2022-07-12
CVE-2020-15129 json In Traefik before versions 1.7.26, 2.2.8, and 2.3.0-rc3, there exists a potential open redirect vulnerability in Traefik's ha... 4.7 - MEDIUM 2020-07-30 2021-07-28
CVE-2020-9321 json configurationwatcher.go in Traefik 2.x before 2.1.4 and TraefikEE 2.0.0 mishandles the purging of certificate contents from p... 7.5 - HIGH 2020-03-16 2021-07-28
CVE-2019-20894 json Traefik 2.x, in certain configurations, allows HTTPS sessions to proceed without mutual TLS verification in a situation where... 7.5 - HIGH 2020-07-02 2021-07-28
CVE-2019-12452 json 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 and ... 7.5 - HIGH 2019-05-29 2021-07-28
CVE-2018-15598 json Containous Traefik 1.6.x before 1.6.6, when --api is used, exposes the configuration and secret if authentication is missing ... 7.5 - HIGH 2018-08-21 2021-07-28

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationContainousTraefik2.4.3
ApplicationContainousTraefik2.3.0
ApplicationContainousTraefik2.3.0
ApplicationContainousTraefik2.3.0
ApplicationContainousTraefik2.3.0
ApplicationContainousTraefik2.2.8
ApplicationContainousTraefik2.2.7
ApplicationContainousTraefik2.2.6
ApplicationContainousTraefik2.2.5
ApplicationContainousTraefik2.2.4
ApplicationContainousTraefik2.2.3
ApplicationContainousTraefik2.2.2
ApplicationContainousTraefik2.2.1
ApplicationContainousTraefik2.2.0
ApplicationContainousTraefik2.2.0
ApplicationContainousTraefik2.2.0
ApplicationContainousTraefik2.2.0
ApplicationContainousTraefik2.2.0
ApplicationContainousTraefik2.1.6
ApplicationContainousTraefik2.1.5
Results limited to 20 most recent known configurations
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