CVE-2023-28858: Redis Redis-Py

Low severity, CVSS 3.7. EPSS: 1% chance of exploitation in the next 30 days.

redis-py before 4.5.3 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 in an off-by-one manner. NOTE: this CVE Record was initially created in response to reports about ChatGPT, and 4.3.6, 4.4.3, and 4.5.3 were released (changing the behavior for pipeline operations); however, please see CVE-2023-28859 about addressing data leakage across AsyncIO connections in general.

Affected products

• Redis Redis-Py: from 4.2.0, before 4.3.6 (fixed in 4.3.6); from 4.4.0, before 4.4.3 (fixed in 4.4.3); from 4.5.0, before 4.5.3 (fixed in 4.5.3)

Published 2023-03-26. Last modified 2026-06-17.