tocsin

CVE-2026-33433

5 advisories.

Go/github.com/traefik/traefik/v2 CVE-2026-33433: medium

Traefik Vulnerable to BasicAuth/DigestAuth Identity Spoofing via Non-Canonical headerField

Action: Upgrade github.com/traefik/traefik/v2 to 2.11.42 or later.

go get github.com/traefik/traefik/v2@v2.11.42

Affected

introducedfixedlast affected
02.11.42-

Fixed versions

2.11.42

Sources

CVE-2026-33433 · published · modified · JSON

Go/github.com/traefik/traefik/v3 CVE-2026-33433: medium

Traefik Vulnerable to BasicAuth/DigestAuth Identity Spoofing via Non-Canonical headerField

Action: Upgrade github.com/traefik/traefik/v3 to 3.6.12 or later.

go get github.com/traefik/traefik/v3@v3.6.12
go get github.com/traefik/traefik/v3@v3.7.0-ea.3

Affected

introducedfixedlast affected
3.0.0-beta13.6.12-
3.7.0-ea.13.7.0-ea.3-

Fixed versions

3.6.123.7.0-ea.3

Sources

CVE-2026-33433 · published · modified · JSON

Go/github.com/traefik/traefik CVE-2026-33433: unknown

Traefik Vulnerable to BasicAuth/DigestAuth Identity Spoofing via Non-Canonical headerField 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-2026-33433 · published · modified · JSON

Go/github.com/traefik/traefik/v2 CVE-2026-33433: unknown

Traefik Vulnerable to BasicAuth/DigestAuth Identity Spoofing via Non-Canonical headerField in github.com/traefik/traefik

Action: Upgrade github.com/traefik/traefik/v2 to 2.11.42 or later.

go get github.com/traefik/traefik/v2@v2.11.42

Affected

introducedfixedlast affected
02.11.42-

Fixed versions

2.11.42

Sources

CVE-2026-33433 · published · modified · JSON

Go/github.com/traefik/traefik/v3 CVE-2026-33433: unknown

Traefik Vulnerable to BasicAuth/DigestAuth Identity Spoofing via Non-Canonical headerField in github.com/traefik/traefik

Action: Upgrade github.com/traefik/traefik/v3 to 3.6.12 or later.

go get github.com/traefik/traefik/v3@v3.6.12
go get github.com/traefik/traefik/v3@v3.7.0-ea.3

Affected

introducedfixedlast affected
3.0.0-beta13.6.12-
3.7.0-ea.13.7.0-ea.3-

Fixed versions

3.6.123.7.0-ea.3

Sources

CVE-2026-33433 · published · modified · JSON