CVE-2026-66143 — HIGH (7.5)

Vulnerability Description

It is possible to bypass the maximum number of normalized policy alternatives that was introduced in Apache Neethi 3.2.2 via certain crafted policies, which may lead to a denial of service attack via resource consumption. Users are recommended to upgrade to version 3.2.3, which fixes this issue.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Apache	Neethi	3.2.2

Related Weaknesses (CWE)

CWE-400

References

https://lists.apache.org/thread/s6o6p5pvcbcsk54dlg6j699t5gxol28wMailing ListVendor Advisory
http://www.openwall.com/lists/oss-security/2026/07/24/9Mailing ListThird Party Advisory

FAQ

What is CVE-2026-66143?

CVE-2026-66143 is a vulnerability with a CVSS score of 7.5 (HIGH). It is possible to bypass the maximum number of normalized policy alternatives that was introduced in Apache Neethi 3.2.2 via certain crafted policies, which may lead to a denial of service attack via ...

How severe is CVE-2026-66143?

CVE-2026-66143 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-66143?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Neethi.