{"cve":"CVE-2023-28859","nvd":{"published":"2023-03-26T19:15:06.850","modified":"2026-06-17T05:48:55.987","status":"Modified","description":"redis-py before 4.4.4 and 4.5.x before 4.5.4 leaves a connection open after canceling an async Redis command at an inopportune time, and can send response data to the client of an unrelated request. (This could, for example, happen for a non-pipeline operation.) NOTE: the solutions for CVE-2023-28859 address data leakage across AsyncIO connections in general.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":6.5},"cwes":["CWE-459"],"references":["https://github.com/redis/redis-py/issues/2665","https://github.com/redis/redis-py/pull/2641","https://github.com/redis/redis-py/pull/2666","https://github.com/redis/redis-py/releases/tag/v4.4.4","https://github.com/redis/redis-py/releases/tag/v4.5.4"],"products":["redis:redis-py"],"source":"nvd","synced_at":"2026-10-19T21:37:48.383111019+00:00"},"epss":{"cve":"CVE-2023-28859","score":0.01034,"percentile":0.6386,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-8fww-64cx-x8p5","url":"https://osv.dev/vulnerability/GHSA-8fww-64cx-x8p5","summary":"redis-py Race Condition due to incomplete fix","modified":"2024-10-25T21:53:20.660854Z","packages":[{"ecosystem":"PyPI","name":"redis","purl":"pkg:pypi/redis","ranges":[">=4.5.0 <4.5.4"],"fixed":["4.5.4"]},{"ecosystem":"PyPI","name":"redis","purl":"pkg:pypi/redis","ranges":[">=4.2.0 <4.4.4"],"fixed":["4.4.4"]}]},{"id":"PYSEC-2023-46","url":"https://osv.dev/vulnerability/PYSEC-2023-46","summary":"","modified":"2026-06-10T17:02:35.124062693Z","packages":[{"ecosystem":"PyPI","name":"redis","purl":"pkg:pypi/redis","ranges":[">=4.2.0 <4.4.4",">=4.5.0 <4.5.4"],"fixed":["4.4.4","4.5.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}