What’s Vulnerable › Vulnerabilities

CVE-2026-22738: SpEL Injection via Unescaped Filter Key in SimpleVectorStore Leads to Remote Code Execution

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-27 · updated 2026-10-26
• Weakness: CWE-917

Description

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.

Affected products

• Spring AI: from 1.0.0 before 1.0.5; from 1.1.0 before 1.1.4 — fixed in 1.0.5, 1.1.4
• Spring AI: from 1.0.0 before 1.0.5; from 1.1.0 before 1.1.4 — fixed in 1.0.5, 1.1.4

How to fix

Upgrade to a fixed version: Spring AI 1.0.5, 1.1.4; Spring AI 1.0.5, 1.1.4. Check the vendor advisory for mitigations.

References

• https://spring.io/security/cve-2026-22738

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