CVE-2026-66143

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 v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/s6o6p5pvcbcsk54dlg6j699t5gxol28w	Mailing List Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/07/24/9	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:apache:neethi:3.2.2:*:*:*:*:*:*:*

History

27 Jul 2026, 14:35

Type	Values Removed	Values Added
References	~~() https://lists.apache.org/thread/s6o6p5pvcbcsk54dlg6j699t5gxol28w -~~	() https://lists.apache.org/thread/s6o6p5pvcbcsk54dlg6j699t5gxol28w - Mailing List, Vendor Advisory
References	~~() http://www.openwall.com/lists/oss-security/2026/07/24/9 -~~	() http://www.openwall.com/lists/oss-security/2026/07/24/9 - Mailing List, Third Party Advisory
CPE		cpe:2.3:a:apache:neethi:3.2.2:::::::*
First Time		Apache Apache neethi

24 Jul 2026, 19:17

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5

24 Jul 2026, 15:19

Type	Values Removed	Values Added
References		() http://www.openwall.com/lists/oss-security/2026/07/24/9 -

24 Jul 2026, 13:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-24 13:18

Updated : 2026-07-27 14:35

NVD link : CVE-2026-66143

Mitre link : CVE-2026-66143

CVE.ORG link : CVE-2026-66143

JSON object : View

Products Affected

apache

neethi

CWE

CWE-400

Uncontrolled Resource Consumption

{"id": "CVE-2026-66143", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-66143", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-24T18:39:56.072504Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security@apache.org", "affectedData": [{"vendor": "Apache Software Foundation", "product": "Apache Neethi", "versions": [{"status": "affected", "version": "0", "lessThan": "3.2.3", "versionType": "semver"}], "packageName": "org.apache.neethi:neethi", "collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected"}]}], "published": "2026-07-24T13:18:29.350", "references": [{"url": "https://lists.apache.org/thread/s6o6p5pvcbcsk54dlg6j699t5gxol28w", "tags": ["Mailing List", "Vendor Advisory"], "source": "security@apache.org"}, {"url": "http://www.openwall.com/lists/oss-security/2026/07/24/9", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@apache.org", "description": [{"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "value": "It is possible to bypass the\u00a0maximum 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.\u00a0Users are recommended to upgrade to version 3.2.3, which fixes this issue."}], "lastModified": "2026-07-27T14:35:07.563", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apache:neethi:3.2.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "589E0A9A-8551-463C-ADC5-EF0E4894F887"}], "operator": "OR"}]}], "sourceIdentifier": "security@apache.org"}