{"id":"CVE-2025-5279","aliases":["GHSA-r244-wg5g-6w2r","PYSEC-2026-1867"],"url":"https://o3.security/vulnerability/CVE-2025-5279","summary":"Issue with Amazon Redshift Python Connector and the BrowserAzureOAuth2CredentialsProvider plugin","details":"### Summary\n[Amazon Redshift Python Connector](https://docs.aws.amazon.com/redshift/latest/mgmt/python-redshift-driver.html) is a pure Python connector to Redshift (i.e., driver) that implements the [Python Database API Specification 2.0](https://www.python.org/dev/peps/pep-0249/).\n\nWhen the Amazon Redshift Python Connector is configured with the BrowserAzureOAuth2CredentialsProvider plugin, the driver skips the SSL certificate validation step for the Identity Provider. \n\n### Impact\n\nAn insecure connection could allow an actor to intercept the token exchange process and retrieve an access token.\n\n**Impacted versions:** >=2.0.872;<=2.1.6\n\n### Patches\n\nUpgrade Amazon Redshift Python Connector to version 2.1.7 and ensure any forked or derivative code is patched to incorporate the new fixes.\n\n### Workarounds\n\nNone\n\n### References\n\nIf you have any questions or comments about this advisory we ask that you contact AWS/Amazon Security via our vulnerability reporting page [1] or directly via email to [aws-security@amazon.com](mailto:aws-security@amazon.com). Please do not create a public GitHub issue.\n\n[1] Vulnerability reporting page: https://aws.amazon.com/security/vulnerability-reporting","published":"2025-05-27T20:17:21.228Z","modified":"2026-10-28T02:30:53.865864424Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"redshift-connector","fixedVersion":"2.1.7"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://aws.amazon.com/security/security-bulletins/AWS-2025-011/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/5xxx/CVE-2025-5279.json"},{"type":"ADVISORY","url":"https://github.com/aws/amazon-redshift-python-driver/security/advisories/GHSA-r244-wg5g-6w2r"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-5279"},{"type":"FIX","url":"https://github.com/aws/amazon-redshift-python-driver/releases/tag/v2.1.7"},{"type":"PACKAGE","url":"https://github.com/aws/amazon-redshift-python-driver"},{"type":"WEB","url":"https://aws.amazon.com/security/security-bulletins"},{"type":"WEB","url":"https://aws.amazon.com/security/security-bulletins/AWS-2025-011"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-28T02:30:53.865864424Z"}}