MyBatis before 3.5.6 mishandles deserialization of object streams.
https://github.com/mybatis/mybatis-3/pull/2079
https://github.com/mybatis/mybatis-3/compare/mybatis-3.5.5...mybatis-3.5.6
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-0863
Source: Mitre, NVD
Published: 2020-10-10
Updated: 2026-06-17
Base Score: 5.1
Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 8.1
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.00595