CVE-2025-3526 Liferay Portal SessionClicks does not restrict the saving of request parameters in the HTTP session
Remote attackers can cause denial of service by exhausting system memory through unrestricted storage of HTTP request parameters in the session.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-3526?
CVE-2025-3526 is a high-severity denial of service vulnerability in Liferay Digital Experience Platform, published on 16 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
SessionClicks in Liferay Portal 7.0.0 through 7.4.3.21, and Liferay DXP 7.4 GA through update 9, 7.3 GA through update 25, and older unsupported versions does not restrict the saving of request parameters in the HTTP session, which allows remote attackers to consume system memory leading to denial-of-service (DoS) conditions via crafted HTTP requests.
Weakness: CWE-400
Which versions are affected by CVE-2025-3526?
2 open source packages ship an affected version, including com.liferay.portal:com.liferay.portal.kernel. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
com.liferay.portal:com.liferay.portal.kernel Maven | All versions | 38.0.0 |
com.liferay.portal:com.liferay.portal.kernel Maven | All versions | 38.0.0 |
Products include Liferay Digital Experience Platform, Liferay Liferay Portal.
How do I fix CVE-2025-3526?
Upgrade com.liferay.portal:com.liferay.portal.kernel to 38.0.0 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-2025-3526 being exploited?
There is no known exploitation of CVE-2025-3526 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-mf3r-6m25-3867.