High severity · published Oct 23, 2025
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, 2023.Q3.1 through 2023.Q3.5, 7.4 GA…
7.5
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DX
DXP · Liferay
7.3.10 through 7.3.10-u35; 7.4.13 through 7.4.13-u92; 2023.Q3.1 through 2023.Q3.5; 2023.Q4.0 through 2023.Q4.2 · source: vendor
PO
Portal · Liferay
7.4.0 through 7.4.3.111 · source: vendor
DE
Digital Experience Platform · Liferay
7.3; 7.3; 7.3; 7.3; 7.3; 7.3; +34 more · source: NVD
LP
Liferay Portal · Liferay
7.4.0 through 7.4.3.111 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-62254
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-62254
Vendor Advisory
https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-62254
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