crítica
CVE-2020-26290
Critical security issues in XML encoding in github.com/dexidp/dex
En la Trivy database desde, como mínimo, el 24 oct 2026, 07:11 UTCNo consta cuándo entró antes de ese build.
Severidad por fuente
NVD9.6CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
GHSA9.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
La etiqueta propia de Trivy es CRITICAL. Crítica según NVD, GHSA.
Descripción
Dex is a federated OpenID Connect provider written in Go. In Dex before version 2.27.0 there is a critical set of vulnerabilities which impacts users leveraging the SAML connector. The vulnerabilities enables potential signature bypass due to issues with XML encoding in the underlying Go library. The vulnerabilities have been addressed in version 2.27.0 by using the xml-roundtrip-validator from Mattermost (see related references).
Paquetes afectados y versiones corregidas
| Fuente | Paquete | Corregido en |
|---|---|---|
| go::GitHub Security Advisory Go | github.com/dexidp/dex, github.com/russellhaering/goxmldsig | 2.27.0 y 1 más |
| chainguard | kots | 0 |
| rapidfort alpine 3.20 | dex | sin corrección indicada |
| rapidfort alpine 3.21 | dex | sin corrección indicada |
| rapidfort alpine 3.22 | dex | sin corrección indicada |
| rapidfort alpine 3.23 | dex | sin corrección indicada |
| rapidfort alpine 3.24 | dex | sin corrección indicada |
| wolfi | kots | 0 |
Mostrar las 9 entradas de 8 fuentes
| Fuente | Paquete | Corregido en |
|---|---|---|
| go::GitHub Security Advisory Go | github.com/dexidp/dex | 2.27.0 |
| go::GitHub Security Advisory Go | github.com/russellhaering/goxmldsig | 1.1.0 |
| chainguard | kots | 0 |
| rapidfort alpine 3.20 | dex | sin corrección indicada |
| rapidfort alpine 3.21 | dex | sin corrección indicada |
| rapidfort alpine 3.22 | dex | sin corrección indicada |
| rapidfort alpine 3.23 | dex | sin corrección indicada |
| rapidfort alpine 3.24 | dex | sin corrección indicada |
| wolfi | kots | 0 |
Referencias
- https://github.com/dexidp/dex/commit/324b1c886b407594196113a3dbddebe38eecd4e8
- https://github.com/dexidp/dex/releases/tag/v2.27.0
- https://github.com/dexidp/dex/security/advisories/GHSA-m9hp-7r99-94h5
- https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-attributes.md
- https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-directives.md
- https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-elements.md
- https://github.com/russellhaering/goxmldsig/commit/f6188febf0c29d7ffe26a0436212b19cb9615e64
- https://github.com/russellhaering/goxmldsig/security/advisories/GHSA-q547-gmf8-8jr7