CVE-2026-54763
5 advisories.
Go/github.com/traefik/traefik/v2 CVE-2026-54763: high, EPSS 0.24%
Traefik: Incomplete fix for CVE-2026-33433 + CVE-2026-39858 cross-cohort: headerField underscore-variant identity spoofing in BasicAuth / DigestAuth / ForwardAuth
Action: Upgrade github.com/traefik/traefik/v2 to 2.11.51 or later.
go get github.com/traefik/traefik/v2@v2.11.51Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.11.51 | - |
Fixed versions
| 2.11.51 |
Sources
- osv: GHSA-x677-9fxg-v5c5
- https://github.com/traefik/traefik/security/advisories/GHSA-x677-9fxg-v5c5
- https://nvd.nist.gov/vuln/detail/CVE-2026-54763
- https://github.com/traefik/traefik/pull/13262
- https://github.com/traefik/traefik/commit/108a5264473a2cbc8f12d6d691a3c6553cdf2c1b
- https://github.com/traefik/traefik
- https://github.com/traefik/traefik/releases/tag/v2.11.51
- https://github.com/traefik/traefik/releases/tag/v3.6.22
- https://github.com/traefik/traefik/releases/tag/v3.7.6
CVE-2026-54763 · published · modified · JSON
Go/github.com/traefik/traefik/v3 CVE-2026-54763: high, EPSS 0.24%
Traefik: Incomplete fix for CVE-2026-33433 + CVE-2026-39858 cross-cohort: headerField underscore-variant identity spoofing in BasicAuth / DigestAuth / ForwardAuth
Action: Upgrade github.com/traefik/traefik/v3 to 3.6.22 or later.
go get github.com/traefik/traefik/v3@v3.6.22go get github.com/traefik/traefik/v3@v3.7.6Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.6.22 | - |
| 3.7.0 | 3.7.6 | - |
Fixed versions
| 3.6.22 | 3.7.6 |
Sources
- osv: GHSA-x677-9fxg-v5c5#Go/github.com/traefik/traefik/v3
- https://github.com/traefik/traefik/security/advisories/GHSA-x677-9fxg-v5c5
- https://nvd.nist.gov/vuln/detail/CVE-2026-54763
- https://github.com/traefik/traefik/pull/13262
- https://github.com/traefik/traefik/commit/108a5264473a2cbc8f12d6d691a3c6553cdf2c1b
- https://github.com/traefik/traefik
- https://github.com/traefik/traefik/releases/tag/v2.11.51
- https://github.com/traefik/traefik/releases/tag/v3.6.22
- https://github.com/traefik/traefik/releases/tag/v3.7.6
CVE-2026-54763 · published · modified · JSON
Go/github.com/traefik/traefik CVE-2026-54763: unknown, EPSS 0.24%
Traefik: Incomplete fix for CVE-2026-33433 + CVE-2026-39858 cross-cohort: headerField underscore-variant identity spoofing in BasicAuth / DigestAuth / ForwardAuth in github.com/traefik/traefik
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: GO-2026-6211
- https://github.com/traefik/traefik/security/advisories/GHSA-x677-9fxg-v5c5
- https://nvd.nist.gov/vuln/detail/CVE-2026-54763
- https://github.com/traefik/traefik/commit/108a5264473a2cbc8f12d6d691a3c6553cdf2c1b
- https://github.com/traefik/traefik/pull/13262
- https://github.com/traefik/traefik/releases/tag/v2.11.51
- https://github.com/traefik/traefik/releases/tag/v3.6.22
- https://github.com/traefik/traefik/releases/tag/v3.7.6
CVE-2026-54763 · published · modified · JSON
Go/github.com/traefik/traefik/v2 CVE-2026-54763: unknown, EPSS 0.24%
Traefik: Incomplete fix for CVE-2026-33433 + CVE-2026-39858 cross-cohort: headerField underscore-variant identity spoofing in BasicAuth / DigestAuth / ForwardAuth 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@v2.11.51Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.11.51 | - |
Fixed versions
| 2.11.51 |
Sources
- osv: GO-2026-6211#Go/github.com/traefik/traefik/v2
- https://github.com/traefik/traefik/security/advisories/GHSA-x677-9fxg-v5c5
- https://nvd.nist.gov/vuln/detail/CVE-2026-54763
- https://github.com/traefik/traefik/commit/108a5264473a2cbc8f12d6d691a3c6553cdf2c1b
- https://github.com/traefik/traefik/pull/13262
- https://github.com/traefik/traefik/releases/tag/v2.11.51
- https://github.com/traefik/traefik/releases/tag/v3.6.22
- https://github.com/traefik/traefik/releases/tag/v3.7.6
CVE-2026-54763 · published · modified · JSON
Go/github.com/traefik/traefik/v3 CVE-2026-54763: unknown, EPSS 0.24%
Traefik: Incomplete fix for CVE-2026-33433 + CVE-2026-39858 cross-cohort: headerField underscore-variant identity spoofing in BasicAuth / DigestAuth / ForwardAuth 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@v3.6.22go get github.com/traefik/traefik/v3@v3.7.6Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.6.22 | - |
| 3.7.0 | 3.7.6 | - |
Fixed versions
| 3.6.22 | 3.7.6 |
Sources
- osv: GO-2026-6211#Go/github.com/traefik/traefik/v3
- https://github.com/traefik/traefik/security/advisories/GHSA-x677-9fxg-v5c5
- https://nvd.nist.gov/vuln/detail/CVE-2026-54763
- https://github.com/traefik/traefik/commit/108a5264473a2cbc8f12d6d691a3c6553cdf2c1b
- https://github.com/traefik/traefik/pull/13262
- https://github.com/traefik/traefik/releases/tag/v2.11.51
- https://github.com/traefik/traefik/releases/tag/v3.6.22
- https://github.com/traefik/traefik/releases/tag/v3.7.6
CVE-2026-54763 · published · modified · JSON