CVE-2025-43796 Liferay Portal: Missing Rate Limiting in GraphQL Endpoint Enables Resource Exhaustion Attack
Remote attackers can cause denial of service in Liferay Portal by executing GraphQL queries that return excessive objects.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-43796?
CVE-2025-43796 is a high-severity denial of service vulnerability in Liferay Digital Experience Platform, published on 12 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Liferay Portal 7.4.0 through 7.4.3.101, and Liferay DXP 2023.Q3.0 through 2023.Q3.4, 7.4 GA through update 92 and 7.3 GA though update 35 does not limit the number of objects returned from a GraphQL queries, which allows remote attackers to perform denial-of-service (DoS) attacks on the application by executing queries that return a large number of objects.
Weakness: CWE-400
Which versions are affected by CVE-2025-43796?
4 open source packages ship an affected version, including com.liferay:com.liferay.portal.vulcan.api and com.liferay:com.liferay.portal.vulcan.impl. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
com.liferay:com.liferay.portal.vulcan.api Maven | From 8.0.2 | 40.2.0 |
com.liferay:com.liferay.portal.vulcan.api Maven | From 8.0.2 | 40.2.0 |
com.liferay:com.liferay.portal.vulcan.impl Maven | From 5.0.7 | 5.0.105 |
com.liferay:com.liferay.portal.vulcan.impl Maven | From 5.0.7 | 5.0.105 |
Products include Liferay Digital Experience Platform, Liferay Liferay Portal.
How do I fix CVE-2025-43796?
Upgrade com.liferay:com.liferay.portal.vulcan.api to 40.2.0 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-43796 being exploited?
There is no known exploitation of CVE-2025-43796 in the wild and no public exploit code.
Other vulnerabilities in Liferay Digital Experience Platform
- CVE-2024-8980 Liferay Portal and Liferay DXP Vulnerable to CSRF in the Script Console
- CVE-2023-42496 Liferay Portal and Liferay DXP vulnerable to reflected Cross-site Scripting
- CVE-2023-42498 Liferay Portal Language Override edit screen and Liferay DXP vulnerable to reflected Cross-site Scripting
- CVE-2024-25147 Liferay Portal and Liferay DXP vulnerable to Cross-site Scripting
- CVE-2024-26269 Liferay Portal Frontend JS module's portlet.js and Liferay DXP vulnerable to Cross-site Scripting
Sources
Also known as GHSA-f3hf-r62c-mfrj.