CVE-2025-62254 json
Liferay Portal ComboServlet denial of service via large file combination
published 2025-10-23 12 mo ago modified 2026-10-18 21 d ago also GHSA-q95h-87j6-273x , EUVD-2025-35736
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 46%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- maven com.liferay.portal:com.liferay.portal.impl 97.0.0
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 12 mo ago
Exploit prediction
0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 6.9 | 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 |
| CNA | 4.0 | 6.9 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | com.liferay.portal:com.liferay.portal.impl | <97.0.0 |
97.0.0 |
Affected products
- Liferay Portal
- Liferay DXP
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/liferay/liferay-portal/commit/45e1a3a757bc38f7b9f8034909e90f1a56f160a5
web
-
github.com
/liferay/liferay-portal/commit/8328aaf7c6ebb3f76c7982256e028caeb48fb664
web
-
github.com
/liferay/liferay-portal/commit/85d63e9d6e47e11074046cc4459d3b1ab3370536
web
-
github.com
/liferay/liferay-portal/commit/def502837297d155ec2fd61044288e75230dd235
web
-
liferay.dev
/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-62254
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2025-62254
advisory
-
github.com
/liferay/liferay-portal
package
-
liferay.atlassian.net
/browse/LPE-17867
web
Sources
- CVE List CVE-2025-62254
- GitHub Advisory GHSA-q95h-87j6-273x
- NVD CVE-2025-62254
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