{"id":"CVE-2026-43826","state":"PUBLISHED","title":"Apache Airflow Providers OpenSearch: OpenSearch task-log handler leaks credentials embedded in the host URL","description":"The OpenSearch logging provider, when configured with a `host` URL that embeds credentials (for example `https://user:password@server.example.com:9200`), wrote the full host URL — including the embedded credentials — into task logs. Any user with task-log read permission could harvest the backend credentials. Users are advised to upgrade to `apache-airflow-providers-opensearch` 1.9.1 or later and, as a defense-in-depth measure, configure the backend credentials via a secret backend rather than embedding them in the `[opensearch] host` URL.","publishedAt":"2026-05-11T08:21:08.702Z","updatedAt":"2026-05-11T13:02:08.325Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache Airflow Providers OpenSearch"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Airflow Providers OpenSearch","packageName":"apache-airflow-providers-opensearch","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.9.1","versionType":"semver"}],"collectionURL":"https://pypi.python.org"}],"references":["https://github.com/apache/airflow/pull/65509","https://lists.apache.org/thread/bxsrqx1vwssovnwnrvgh9xcosptmf73y","http://www.openwall.com/lists/oss-security/2026/05/10/2"],"weaknesses":["CWE-532"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43826.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43826","state":"PUBLISHED","datePublished":"2026-05-11T08:21:08.702Z","dateUpdated":"2026-05-11T13:02:08.325Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-05-02T14:15:15.880Z"},"containers":{"cna":{"title":"Apache Airflow Providers OpenSearch: OpenSearch task-log handler leaks credentials embedded in the host URL","descriptions":[{"lang":"en","value":"The OpenSearch logging provider, when configured with a `host` URL that embeds credentials (for example `https://user:password@server.example.com:9200`), wrote the full host URL — including the embedded credentials — into task logs. Any user with task-log read permission could harvest the backend credentials. Users are advised to upgrade to `apache-airflow-providers-opensearch` 1.9.1 or later and, as a defense-in-depth measure, configure the backend credentials via a secret backend rather than embedding them in the `[opensearch] host` URL."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Airflow Providers OpenSearch","packageName":"apache-airflow-providers-opensearch","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.9.1","versionType":"semver"}],"collectionURL":"https://pypi.python.org"}],"references":[{"url":"https://github.com/apache/airflow/pull/65509","tags":["patch"]},{"url":"https://lists.apache.org/thread/bxsrqx1vwssovnwnrvgh9xcosptmf73y","tags":["vendor-advisory"]}],"metrics":[{"other":{"content":{"text":"low"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-532","description":"CWE-532: Insertion of Sensitive Information into Log File","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-05-11T08:21:08.702Z"},"credits":[{"lang":"en","type":"finder","value":"Aleksandr Sozinov"},{"lang":"en","type":"finder","value":"Owen-CH-Leung"},{"lang":"en","type":"remediation developer","value":"Jarek Potiuk"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"airflow-s/generate_cve_json.py"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/05/10/2"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-05-11T09:12:42.100Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-05-11T12:59:58.275202Z","id":"CVE-2026-43826","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-11T13:02:08.325Z"}}]}}}