tocsin

CVE-2026-88879

5 advisories.

Go/github.com/traefik/traefik/v2 CVE-2026-88011, CVE-2026-88879: medium, EPSS 0.42%

Traefik: ForwardAuth identity spoofing via dot-form header alias

Action: Upgrade github.com/traefik/traefik/v2 to 2.11.56 or later.

go get github.com/traefik/traefik/v2@v2.11.56

Affected

introducedfixedlast affected
02.11.56-

Fixed versions

2.11.56

Sources

CVE-2026-88011, CVE-2026-88879 · published · modified · JSON

Go/github.com/traefik/traefik/v3 CVE-2026-88011, CVE-2026-88879: medium, EPSS 0.42%

Traefik: ForwardAuth identity spoofing via dot-form header alias

Action: Upgrade github.com/traefik/traefik/v3 to 3.7.12 or later.

go get github.com/traefik/traefik/v3@v3.7.12

Affected

introducedfixedlast affected
3.0.03.7.12-

Fixed versions

3.7.12

Sources

CVE-2026-88011, CVE-2026-88879 · published · modified · JSON

Go/github.com/traefik/traefik CVE-2026-88011, CVE-2026-88879: unknown, EPSS 0.42%

Traefik: ForwardAuth identity spoofing via dot-form header alias 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-2026-88011, CVE-2026-88879 · published · modified · JSON

Go/github.com/traefik/traefik/v2 CVE-2026-88011, CVE-2026-88879: unknown, EPSS 0.42%

Traefik: ForwardAuth identity spoofing via dot-form header alias in github.com/traefik/traefik

Action: Upgrade github.com/traefik/traefik/v2 to 2.11.56 or later.

go get github.com/traefik/traefik/v2@v2.11.56

Affected

introducedfixedlast affected
02.11.56-

Fixed versions

2.11.56

Sources

CVE-2026-88011, CVE-2026-88879 · published · modified · JSON

Go/github.com/traefik/traefik/v3 CVE-2026-88011, CVE-2026-88879: unknown, EPSS 0.42%

Traefik: ForwardAuth identity spoofing via dot-form header alias in github.com/traefik/traefik

Action: Upgrade github.com/traefik/traefik/v3 to 3.7.12 or later.

go get github.com/traefik/traefik/v3@v3.7.12

Affected

introducedfixedlast affected
3.0.03.7.12-

Fixed versions

3.7.12

Sources

CVE-2026-88011, CVE-2026-88879 · published · modified · JSON