{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-40948", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-04-16T00:13:13.957Z", "datePublished": "2026-04-18T13:22:41.577Z", "dateUpdated": "2026-04-18T13:30:35.729Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://pypi.python.org", "defaultStatus": "unaffected", "packageName": "apache-airflow", "product": "Apache Airflow", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "0.7.0", "status": "affected", "version": "0.0.1", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Haruki Oyama (Waseda University)"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "The Keycloak authentication manager in `apache-airflow-providers-keycloak` did not generate or validate the OAuth 2.0 `state` parameter on the login / login-callback flow, and did not use PKCE. An attacker with a Keycloak account in the same realm could deliver a crafted callback URL to a victim's browser and cause the victim to be logged into the attacker's Airflow session (login-CSRF / session fixation), where any credentials the victim subsequently stored in Airflow Connections would be harvestable by the attacker. Users are advised to upgrade `apache-airflow-providers-keycloak` to 0.7.0 or later."}], "value": "The Keycloak authentication manager in `apache-airflow-providers-keycloak` did not generate or validate the OAuth 2.0 `state` parameter on the login / login-callback flow, and did not use PKCE. An attacker with a Keycloak account in the same realm could deliver a crafted callback URL to a victim's browser and cause the victim to be logged into the attacker's Airflow session (login-CSRF / session fixation), where any credentials the victim subsequently stored in Airflow Connections would be harvestable by the attacker. Users are advised to upgrade `apache-airflow-providers-keycloak` to 0.7.0 or later."}], "metrics": [{"other": {"content": {"text": "low"}, "type": "Textual description of severity"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-352", "description": "CWE-352: Cross-Site Request Forgery (CSRF)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-04-18T13:22:41.577Z"}, "references": [{"tags": ["patch"], "url": "https://github.com/apache/airflow/pull/64114"}, {"tags": ["vendor-advisory"], "url": "https://lists.apache.org/thread/kc0odpr70hbqhdb9ksnz42fkqz2xld9q"}], "source": {"discovery": "UNKNOWN"}, "title": "Apache Airflow: OAuth Login CSRF \u2014 Missing State Parameter in Keycloak Auth Manager", "x_generator": {"engine": "airflow-s/generate_cve_json.py"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/04/17/14"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-04-18T13:30:35.729Z"}}]}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "The Keycloak authentication manager in `apache-airflow-providers-keycloak` did not generate or validate the OAuth 2.0 `state` parameter on the login / login-callback flow, and did not use PKCE. An attacker with a Keycloak account in the same realm could deliver a crafted callback URL to a victim's browser and cause the victim to be logged into the attacker's Airflow session (login-CSRF / session fixation), where any credentials the victim subsequently stored in Airflow Connections would be harvestable by the attacker. Users are advised to upgrade `apache-airflow-providers-keycloak` to 0.7.0 or later."}], "id": "CVE-2026-40948", "lastModified": "2026-04-18T14:16:10.897", "metrics": {}, "published": "2026-04-18T14:16:10.897", "references": [{"source": "security@apache.org", "url": "https://github.com/apache/airflow/pull/64114"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread/kc0odpr70hbqhdb9ksnz42fkqz2xld9q"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/04/17/14"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-352"}], "source": "security@apache.org", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.0.1,0.7.0)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Apache Airflow", "source": "cna", "vendor": "Apache Software Foundation"}, "product": "airflow", "vendor": "apache"}], "created": "2026-04-18T15:30:03.823311+00:00", "updated": "2026-04-18T15:30:03.823373+00:00", "vendors": ["apache", "apache$PRODUCT$airflow"]}