SQL Injection in Langchain4j
CVE-2026-55405
LangChain4j is a Java library for building LLM-powered applications on the JVM. Prior to 1.2.1-beta8, 1.5.1-beta11, 1.11.8-beta19, and 1.16.3-beta26, the MariaDB and pgvector embedding stores build metadata-filter SQL by string-concatenat…
Vulnerability class: SQL Injection
CVSS v3 metric
CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L.
Affected products
- Langchain4j — versions < 1.2.1-beta8, >= 1.3.0-beta9, < 1.5.1-beta11, >= 1.6.0-beta12, < 1.11.8-beta19
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-55405?
- CVE-2026-55405 is a high-severity vulnerability in Langchain4j, classified under SQL Injection. CVSS score: 7.6/10. Published 2026-07-10.
- How severe is CVE-2026-55405?
- High severity. CVSS v3 base score is 7.6 out of 10.