Все бюллетени/c10f2/ALT-PU-2026-7154-5
ALT-PU-2026-7154-5

Обновление пакета traefik в ветке c10f2

Версия3.6.15-alt1
Задание#417229
Опубликовано2026-05-21
Макс. серьёзностьCRITICAL
Серьёзность:

Закрытые проблемы (16)

BDU:2026-06476
HIGH8.2

Уязвимость промежуточного программного обеспечения StripPrefixRegex обратного прокси сервера Containous Traefik, позволяющая нарушителю получить доступ к защищаемой информации

Опубликовано: 2026-05-11
CVSS 3.xВЫСОКАЯ 8.2
CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
CVSS 2.0ВЫСОКАЯ 8.5
CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:P/A:N
Ссылки
BDU:2026-06477
MEDIUM6.4

Уязвимость провайдера Kubernetes CRD обратного прокси сервера Containous Traefik, позволяющая нарушителю обойти существующие ограничения доступа

Опубликовано: 2026-05-11
CVSS 3.xСРЕДНЯЯ 6.4
CVSS:3.x/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CVSS 2.0СРЕДНЯЯ 5.5
CVSS:2.0/AV:N/AC:L/Au:S/C:P/I:P/A:N
Ссылки
BDU:2026-06478
CRITICAL10.0

Уязвимость промежуточного программного обеспечения ForwardAuth обратного прокси сервера Containous Traefik, позволяющая нарушителю обойти аутентификацию без действительных учетных данных

Опубликовано: 2026-05-11
CVSS 3.xКРИТИЧЕСКАЯ 10.0
CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
CVSS 2.0КРИТИЧЕСКАЯ 9.4
CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:C/A:N
Ссылки
BDU:2026-06479
CRITICAL10.0

Уязвимость промежуточного программного обеспечения ForwardAuth обратного прокси сервера Containous Traefik, позволяющая нарушителю получить несанкционированный доступ к защищаемой информации

Опубликовано: 2026-05-11
CVSS 3.xКРИТИЧЕСКАЯ 10.0
CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
CVSS 2.0КРИТИЧЕСКАЯ 9.4
CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:C/A:N
Ссылки
CVE-2026-35051
HIGH7.8

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is an authentication bypass vulnerability in Traefik's ForwardAuth middleware when trustForwardHeader=false is configured and Traefik is deployed behind a trusted upstream proxy. This issue has been patched in versions 2.11.43, 3.6.14, and 3.7.0-rc.2.

Опубликовано: 2026-04-30Изменено: 2026-06-30
CVSS 3.xКРИТИЧЕСКАЯ 10.0
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
CVSS 4.0ВЫСОКАЯ 7.8
CVSS:4.0/CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Ссылки
CVE-2026-39858
HIGH7.8

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is a high severity authentication bypass vulnerability in Traefik's ForwardAuth and snippet-based authentication middleware. Traefik's forwarded-header sanitization logic targets only canonical header names (e.g., X-Forwarded-Proto) and does not strip or normalize alias variants that use underscores instead of dashes (e.g., X_Forwarded_Proto). These unsanitized alias headers are forwarded intact to the authentication backend. When the backend normalizes underscore and dash header forms equivalently, an attacker can inject spoofed trust context — such as a trusted scheme or host — through the alias headers and bypass authentication on protected routes without valid credentials. This issue has been patched in versions 2.11.43, 3.6.14, and 3.7.0-rc.2.

Опубликовано: 2026-04-30Изменено: 2026-06-30
CVSS 3.xКРИТИЧЕСКАЯ 10.0
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
CVSS 4.0ВЫСОКАЯ 7.8
CVSS:4.0/CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Ссылки
CVE-2026-40912
HIGH7.8

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is a high severity authentication bypass vulnerability in Traefik's StripPrefixRegex middleware when used in combination with ForwardAuth, BasicAuth, or DigestAuth. The middleware matches the regex against the decoded URL path but uses the resulting byte length to slice the percent-encoded raw path. When a dot (or multiple dots) appears in the prefix portion of the URL, the raw path after stripping becomes a dot-segment (e.g. /./admin/secret). ForwardAuth receives this dot-segment path in X-Forwarded-Uri, which does not match the protected path patterns and therefore allows the request through. The backend then normalizes the dot-segment to the real path per RFC 3986 and serves the protected content An unauthenticated attacker can exploit this against any backend that performs dot-segment normalization. This issue has been patched in versions 2.11.43, 3.6.14, and 3.7.0-rc.2.

Опубликовано: 2026-04-30Изменено: 2026-06-30
CVSS 3.xВЫСОКАЯ 8.2
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
CVSS 4.0ВЫСОКАЯ 7.8
CVSS:4.0/CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Ссылки
CVE-2026-41174
MEDIUM4.8

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is a potential vulnerability in Traefik's Kubernetes CRD provider cross-namespace isolation enforcement. When providers.kubernetesCRD.allowCrossNamespace=false, Traefik correctly rejects direct cross-namespace middleware references from IngressRoute objects, but fails to apply the same restriction to middleware references nested inside a Chain middleware's spec.chain.middlewares[]. An actor with permission to create or update Traefik CRDs in their own namespace can exploit this to cause Traefik to resolve and apply middleware objects from another namespace, bypassing the documented isolation boundary. This issue has been patched in versions 2.11.43, 3.6.14, and 3.7.0-rc.2.

Опубликовано: 2026-04-30Изменено: 2026-06-17
CVSS 3.xСРЕДНЯЯ 6.4
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CVSS 4.0СРЕДНЯЯ 4.8
CVSS:4.0/CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Ссылки
CVE-2026-41181
MEDIUM6.9

Traefik is an HTTP reverse proxy and load balancer. Prior to 2.11.44, 3.6.15, and 3.7.0-rc.3, there is an information disclosure vulnerability in Traefik's errors (custom error pages) middleware. When the backend returns a response matching the configured status range, the middleware forwards the original request's complete header set, including Authorization, Cookie, and other authentication material, to the separate error page service rather than only the minimal context needed to render the error page. This behavior is undocumented: the documentation states only that Host is forwarded by default, so operators are not warned that sensitive credentials are shared across service boundaries. Deployments using the errors middleware with a distinct error page service may inadvertently expose end-user credentials to infrastructure that was not intended to receive them. This vulnerability is fixed in 2.11.44, 3.6.15, and 3.7.0-rc.3.

Опубликовано: 2026-05-15Изменено: 2026-06-17
CVSS 3.xСРЕДНЯЯ 5.8
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
CVSS 4.0
CVSS:4.0/CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Ссылки
CVE-2026-41263
MEDIUM6.3

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is a timing side-channel vulnerability in Traefik's BasicAuth middleware that allows an attacker to enumerate valid usernames through response-time differences. The variable intended to hold a constant-time fallback secret always resolves to an empty string, causing the constant-time comparison to short-circuit in microseconds rather than performing a full bcrypt evaluation. This restores the original timing oracle and makes it possible to distinguish existing users from non-existing ones by measuring authentication response times. This issue has been patched in versions 2.11.43, 3.6.14, and 3.7.0-rc.2.

Опубликовано: 2026-04-30Изменено: 2026-06-17
CVSS 3.xНИЗКАЯ 3.7
CVSS:3.x/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 4.0СРЕДНЯЯ 6.3
CVSS:4.0/CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Ссылки
GHSA-5m6w-wvh7-57vm
HIGH7.8

Traefik: Pre-authentication decision bypass due to forwarded alias spoofing

Опубликовано: 2026-04-24Изменено: 2026-05-06
CVSS 3.x
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
CVSS 4.0ВЫСОКАЯ 7.8
CVSS:4.0/CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
Ссылки
GHSA-6384-m2mw-rf54
HIGH7.8

Traefik's ForwardAuth trustForwardHeader=false allows spoofed X-Forwarded-Prefix to bypass authentication

Опубликовано: 2026-04-24Изменено: 2026-05-06
CVSS 3.x
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
CVSS 4.0ВЫСОКАЯ 7.8
CVSS:4.0/CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N
Ссылки
GHSA-6jwx-7vp4-9847
HIGH7.8

Traefik has an StripPrefixRegex Middleware Authorization Bypass via Path/RawPath Desync

Опубликовано: 2026-04-24Изменено: 2026-05-06
CVSS 3.x
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
CVSS 4.0ВЫСОКАЯ 7.8
CVSS:4.0/CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N
Ссылки
GHSA-6x2q-h3cr-8j2h
MEDIUM6.3

Traefik: A timing side-channel vulnerability allows for valid username enumeration via BasicAuth middleware

Опубликовано: 2026-04-24Изменено: 2026-05-06
CVSS 3.x
CVSS:3.x/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 4.0СРЕДНЯЯ 6.3
CVSS:4.0/CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N
Ссылки
GHSA-p6hg-qh38-555r
MEDIUM6.9

Traefik's errors middleware forwards Authorization and Cookie headers to separate error page service

Опубликовано: 2026-05-04Изменено: 2026-05-15
CVSS 4.0
CVSS:4.0/CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N
Ссылки
GHSA-xhjw-95fp-8vgq
MEDIUM4.8

Traefik Kubernetes CRD allows unauthorized cross-namespace middleware binding

Опубликовано: 2026-04-24Изменено: 2026-05-06
CVSS 3.x
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CVSS 4.0СРЕДНЯЯ 4.8
CVSS:4.0/CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Ссылки