Mybatis
CVE-2020-26945
HIGH
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1Blast Radius
ecosystem impact- 1,660 maven packages depend on org.mybatis:mybatis (201 direct, 1,463 indirect)
Ecosystem-wide dependent count for version 3.5.6.
DescriptionNVD
MyBatis before 3.5.6 mishandles deserialization of object streams.
AnalysisAI
MyBatis before 3.5.6 mishandles deserialization of object streams. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. This Deserialization of Untrusted Data vulnerability could allow attackers to execute arbitrary code through malicious serialized objects.
Technical ContextAI
This vulnerability is classified as Deserialization of Untrusted Data (CWE-502), which allows attackers to execute arbitrary code through malicious serialized objects. MyBatis before 3.5.6 mishandles deserialization of object streams. Affected products include: Mybatis. Version information: before 3.5.6.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Avoid deserializing untrusted data. Use safe serialization formats (JSON). Implement integrity checks and type allowlists.
Same weakness CWE-502 – Deserialization of Untrusted Data
View allSame technique Deserialization
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External POC / Exploit Code
Leaving vuln.today