CVE-2020-26945 "Deserialization errors in MyBatis"
Attackers can execute arbitrary code by exploiting unsafe deserialization in the MyBatis Java library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-26945?
CVE-2020-26945 is a high-severity unsafe deserialization vulnerability in n/a, published on 10 Oct 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
MyBatis before 3.5.6 mishandles deserialization of object streams.
Weakness: CWE-502
Which versions are affected by CVE-2020-26945?
2 open source packages ship an affected version, including org.mybatis:mybatis. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.mybatis:mybatis Maven | All versions | 3.5.6 |
org.mybatis:mybatis Maven | All versions | 3.5.6 |
Linux distribution packages (1)
mybatis openSUSE:Tumbleweed | All versions | 3.5.6-1.6 |
Products include Mybatis Mybatis.
How do I fix CVE-2020-26945?
Upgrade org.mybatis:mybatis to 3.5.6 or later.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2020-26945 being exploited?
There is no known exploitation of CVE-2020-26945 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as CLSA-2026-1781830542, GHSA-qq48-m4jx-xqh8, OESA-2021-1292, openSUSE-SU-2024:11070-1.