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CVE-2026-86462

Apache Airflow FAB provider: FAB Admin password PATCH does not invalidate database-backed sessions

cve-program · severity unknownCVSS unknownCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-86462

Published

Apache Airflow FAB provider: changing a user's password through the Admin user-edit PATCH endpoint does not invalidate that user's existing database-backed sessions. An attacker who already holds a copy of the victim's session cookie keeps full access as that user after the password change, so the password reset does not evict them. Affects deployments using the FAB auth manager with database-backed sessions; an administrator (or the user themselves) performing a routine password change is the trigger, and no attacker interaction with the endpoint is needed. This is a second, independent route to the outcome addressed by CVE-2026-82311, which corrected an identifier comparison in the session-invalidation helper. That fix does not repair this endpoint, because the PATCH path never calls the helper at all. Deployments that applied the CVE-2026-82311 fix must also upgrade for this one. Users of apache-airflow-providers-fab are recommended to upgrade to version 3.9.0 or later, which fixes the issue.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-86462

Published

apache-airflow-providers-fab

https://pypi.python.org

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:pypi/apache-airflow-providers-fab",
                    "product": "Apache Airflow FAB provider",
                    "vendor": "Apache Software Foundation",
                    "versions": [
                        {
                            "lessThan": "3.9.0",
                            "status": "affected",
                            "version": "3.2.0",
                            "versionType": "semver"
                        }
                    ],
                    "collectionURL": "https://pypi.python.org",
                    "packageName": "apache-airflow-providers-fab"
                }

Original source record · Cite this exact observation · Complete original publisher JSON

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Sources read 13 Nov 05:08 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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