Spring AI SpEL Injection via SimpleVectorStore (1.0.01.0.4, 1.1.01.1.3)
CVE-2026-22738 Published on March 27, 2026
SpEL Injection via Unescaped Filter Key in SimpleVectorStore Leads to Remote Code Execution
In Spring AI, a SpEL injection vulnerability exists in SimpleVectorStore when a user-supplied value is used as a filter expression key. A malicious actor could exploit this to execute arbitrary code. Only applications that use SimpleVectorStore and pass user-supplied input as a filter expression key are affected.
This issue affects Spring AI: from 1.0.0 before 1.0.5, from 1.1.0 before 1.1.4.
Vulnerability Analysis
CVE-2026-22738 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
What is an Argument Injection Vulnerability?
The software constructs a string for a command to executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string.
CVE-2026-22738 has been classified to as an Argument Injection vulnerability or weakness.
Products Associated with CVE-2026-22738
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Affected Versions
Spring AI:- Version 1.0.0 and below 1.0.5 is affected.
- Version 1.1.0 and below 1.1.4 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.