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Vulnerabilidades / CVE-2026-28802

crítica

CVE-2026-28802

authlib: Authlib: Signature verification bypass via malicious JWT allows unauthorized access

Publicada Modificada CWE 347
En la Trivy database desde, como mínimo, el 24 oct 2026, 07:11 UTCNo consta cuándo entró antes de ese build.

Severidad por fuente

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GHSA7.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P
Red Hat9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

La etiqueta propia de Trivy es CRITICAL. Crítica según NVD. Más baja según GHSA (alta), Red Hat (alta).

Descripción

Authlib is a Python library which builds OAuth and OpenID Connect servers. From version 1.6.5 to before version 1.6.7, previous tests involving passing a malicious JWT containing alg: none and an empty signature was passing the signature verification step without any changes to the application code when a failure was expected.. This issue has been patched in version 1.6.7.

Paquetes afectados y versiones corregidas

FuentePaqueteCorregido en
chainguardairflow-33.1.8-r0
debian 13python-authlibsin corrección indicada
debian 14python-authlib1.6.7-1
echo pip::Echo OSVauthlib1.6.6+echo.1, 1.6.7
minimosairflow-2, airflow-32.11.2-r0 y 1 más
pip::GitHub Security Advisory pipauthlib1.6.7
rapidfort debian 12python-authlib0:1.6.7-1
rapidfort debian 13python-authlib0:1.6.7-1
Red Hatsatellite/foreman-mcp-server-rhel9sin corrección indicada
wolfiairflow-33.1.8-r0
Mostrar las 11 entradas de 10 fuentes
FuentePaqueteCorregido en
chainguardairflow-33.1.8-r0
debian 13python-authlibsin corrección indicada
debian 14python-authlib1.6.7-1
echo pip::Echo OSVauthlib1.6.6+echo.1, 1.6.7
minimosairflow-22.11.2-r0
minimosairflow-33.1.8-r0
pip::GitHub Security Advisory pipauthlib1.6.7
rapidfort debian 12python-authlib0:1.6.7-1
rapidfort debian 13python-authlib0:1.6.7-1
Red Hatsatellite/foreman-mcp-server-rhel9sin corrección indicada
wolfiairflow-33.1.8-r0

Referencias

Las 16 referencias

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.