tocsin

CVE-2026-54764

6 advisories.

Go/github.com/traefik/traefik/v2 CVE-2026-54764: medium 5.8, EPSS 0.28%

Traefik: ForwardAuth middleware leaks X-Forwarded-Port spoofing via untrusted X-Forwarded-Proto when trustForwardHeader=false

Action: Upgrade github.com/traefik/traefik/v2 to 2.11.51 or later.

go get github.com/traefik/traefik/v2@v2.11.51

Affected

introducedfixedlast affected
02.11.51-

Fixed versions

2.11.51

Sources

CVE-2026-54764 · published · modified · JSON

Go/github.com/traefik/traefik/v3 CVE-2026-54764: medium 5.8, EPSS 0.28%

Traefik: ForwardAuth middleware leaks X-Forwarded-Port spoofing via untrusted X-Forwarded-Proto when trustForwardHeader=false

Action: Upgrade github.com/traefik/traefik/v3 to 3.6.22 or later.

go get github.com/traefik/traefik/v3@v3.6.22
go get github.com/traefik/traefik/v3@v3.7.6

Affected

introducedfixedlast affected
03.6.22-
3.7.03.7.6-

Fixed versions

3.6.223.7.6

Sources

CVE-2026-54764 · published · modified · JSON

Go/github.com/traefik/traefik CVE-2026-54764: medium 5.8, EPSS 0.28%

Traefik: ForwardAuth middleware leaks X-Forwarded-Port spoofing via untrusted X-Forwarded-Proto when trustForwardHeader=false

Action: No fix published. Pin and monitor.

Affected

introducedfixedlast affected
0-1.7.34

Fixed versions

No fixed version in the source.

Sources

CVE-2026-54764 · published · modified · JSON

Go/github.com/traefik/traefik CVE-2026-54764: unknown, EPSS 0.28%

Traefik: ForwardAuth middleware leaks X-Forwarded-Port spoofing via untrusted X-Forwarded-Proto when trustForwardHeader=false in github.com/traefik/traefik

Action: No fix published. Pin and monitor.

Affected

introducedfixedlast affected
0--

Fixed versions

No fixed version in the source.

Sources

CVE-2026-54764 · published · modified · JSON

Go/github.com/traefik/traefik/v2 CVE-2026-54764: unknown, EPSS 0.28%

Traefik: ForwardAuth middleware leaks X-Forwarded-Port spoofing via untrusted X-Forwarded-Proto when trustForwardHeader=false in github.com/traefik/traefik

Action: Upgrade github.com/traefik/traefik/v2 to 2.11.51 or later.

go get github.com/traefik/traefik/v2@v2.11.51

Affected

introducedfixedlast affected
02.11.51-

Fixed versions

2.11.51

Sources

CVE-2026-54764 · published · modified · JSON

Go/github.com/traefik/traefik/v3 CVE-2026-54764: unknown, EPSS 0.28%

Traefik: ForwardAuth middleware leaks X-Forwarded-Port spoofing via untrusted X-Forwarded-Proto when trustForwardHeader=false in github.com/traefik/traefik

Action: Upgrade github.com/traefik/traefik/v3 to 3.6.22 or later.

go get github.com/traefik/traefik/v3@v3.6.22
go get github.com/traefik/traefik/v3@v3.7.6

Affected

introducedfixedlast affected
03.6.22-
3.7.03.7.6-

Fixed versions

3.6.223.7.6

Sources

CVE-2026-54764 · published · modified · JSON