PT-2020-16563 · Mybatis Team · Mybatis

Clanceyzzz · Published 2020-10-10 · Updated 2024-06-15 · CVE-2020-26945

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions MyBatis versions prior to 3.5.6

Description The issue is related to the mishandling of deserialization of object streams, which can lead to potential cache poisoning. This could potentially allow for remote code execution.

Recommendations For versions prior to 3.5.6, update to version 3.5.6 or later to resolve the issue. As a temporary workaround, consider restricting deserialization of object streams to minimize the risk of exploitation.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

BDU:2025-04263

CVE-2020-26945

GHSA-QQ48-M4JX-XQH8

OESA-2021-1292

OPENSUSE-SU-2024:11070-1

Affected Products

Mybatis

References · 12

• https://github.com/mybatis/mybatis-3/pull/2079 · Patch
• https://osv.dev/vulnerability/openSUSE-SU-2024:11070-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-26945 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-04263 · Security Note
• https://osv.dev/vulnerability/GHSA-qq48-m4jx-xqh8 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-26945 · Security Note
• https://osv.dev/vulnerability/OESA-2021-1292 · Vendor Advisory
• https://github.com/mybatis/mybatis-3/compare/mybatis-3.5.5...mybatis-3.5.6 · Note
• https://github.com/mybatis/mybatis-3/releases/tag/mybatis-3.5.6 · Note
• https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1292 · Note
• https://t.me/ckure/5783 · Telegram Post
• https://suse.com/security/cve/CVE-2020-26945 · Note