Improper Verification of Cryptographic Signature Affecting airflow-3-compat package, versions <3.1.8-r0


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-AIRFLOW3COMPAT-15465024
  • published12 Mar 2026
  • disclosed6 Mar 2026

Introduced: 6 Mar 2026

NewCVE-2026-28802  (opens in a new tab)
CWE-347  (opens in a new tab)

How to fix?

Upgrade Minimos:latest airflow-3-compat to version 3.1.8-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream airflow-3-compat package and not the airflow-3-compat package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1