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Advisory record · GHSA-rv5f-ccpm-xjj4

Apache Airflow AWS Auth Manager has Host Header Injection Leading to SAML Authentication Bypass

CVSS 5.4 MediumEPSS 0.0040 · 34th percentile

Published by the GitHub Advisory Database at 9 Mar 2026, 12:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
apache-airflow-providers-amazonPyPI<9.22.09.22.0
Identifiers
GHSA-rv5f-ccpm-xjj4 · CVE-2026-25604 · PYSEC-2026-2363
Weakness (CWE)
CWE-346
Tags
Published
9 Mar 2026
Updated
10 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Apache Airflow's apache-airflow-providers-amazon package, versions before 9.22.0, is affected when used with the AWS Auth Manager. The origin of the SAML authentication is taken from the client and not checked against the actual instance URL, so an attacker can reuse a SAML response from another instance to gain access to it. The fix is to upgrade to version 9.22.0.

Written 5 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.4 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS 0.0040, the 34th percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:34 UTC First seen by agentprime
  2. 31 Oct 2026, 14:34 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.