CVE-2025-43764

Liferay Portal ReDoS with Role Name search in KaleoDesignerPortlet

6.9 MediumFix available

Self-ReDoS (Regular expression Denial of Service) exists with Role Name search field of Kaleo Designer portlet JavaScript in Liferay Portal 7.4.0 through 7.4.3.131, and Liferay DXP 2024.Q4.0 through 2024.Q4.1, 2024.Q3.0 through 2024.Q3.13, 2024.Q2.1 through 2024.Q2.13, 2024.Q1.1 through 2024.Q1.20 and 7.4 GA through update 92, which allows authenticated users with permissions to update Kaleo Workflows to enter a malicious Regex pattern causing their browser to hang for a very long time.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: Passive

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: High

Exploit likelihood

0.31%Up 0.3 points since Aug 23, 2025

What each source reports

CVE List Score used 6.9

Record: CVE-2025-43764
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:H/SC:L/SI:L/SA:N
Weakness: CWE-1333
Updated: 2026-11-02

EUVDEUVD-2025-25629 6.9

Record: EUVD-2025-25629
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:H/SC:L/SI:L/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-23w4-rpc6-wpcc 6.9

Liferay Portal ReDoS with Role Name search in KaleoDesignerPortlet

Record: GHSA-23w4-rpc6-wpcc
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:H/SC:L/SI:L/SA:N
Weakness: CWE-1333
Updated: 2026-11-02

NVD 6.9

Record: CVE-2025-43764
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:H/SC:L/SI:L/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
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-1333
Updated: 2026-11-02

OSV 6.5

Record: CVE-2025-43764
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVGHSA-23w4-rpc6-wpcc 6.9

Liferay Portal ReDoS with Role Name search in KaleoDesignerPortlet

Record: GHSA-23w4-rpc6-wpcc
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:H/SC:L/SI:L/SA:N
Weakness: CWE-1333
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`com.liferay:com.liferay.portal.workflow.kaleo.designer.web` Maven	before 5.0.145	5.0.145
`com.liferay:com.liferay.portal.workflow.kaleo.designer.web` Maven	before 5.0.145, plus listed versions 1.0.531.0.541.0.551.0.561.0.57 Show 45 moreShow less 2.0.542.0.552.0.562.0.572.0.582.0.592.0.602.0.612.0.622.0.632.0.642.0.652.0.663.1.323.1.333.1.343.1.353.1.363.1.373.1.383.1.393.1.403.1.413.1.423.1.433.1.443.1.453.1.463.1.473.1.483.1.494.0.284.0.294.0.304.0.314.0.324.0.334.0.344.0.354.0.364.0.374.0.384.0.394.0.404.0.41	5.0.145

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-43764 is a medium vulnerability (CVSS 6.9) in Liferay Dxp, published August 23, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 24th percentile. Fixed in com.liferay:com.liferay.portal.workflow.kaleo.designer.web 5.0.145.

References

This page doesn't list everything

Left out here: 158 versions. The JSON record has them.