# Apache Neethi vulnerabilities Source: https://junglewise.ai/threats/technologies/apache-neethi Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 12 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/apache-neethi.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 8 vulnerabilities in Apache Neethi: 0 in the last 7 days and 5 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-91867, was published on 21 September 2026. Nothing in the last four weeks, down from 5 vulnerabilities in the four before. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 5 - All time: 8 (0 critical, 0 exploited in the wild) ## About Apache Neethi Neethi is an Apache library for WS-Policy specification support in web services. ## Latest Apache Neethi vulnerabilities - [CVE-2026-91867: Neethi remote policy fetch thread exhaustion](https://junglewise.ai/threats/cve-2026-91867-when-neethi-fetches-a-remote-policy-reference-it-only-limits-the) (medium, CVSS 4.3, published 21 Sep 2026) - [CVE-2026-91866: Apache Neethi policy intersection exponential complexity denial of service](https://junglewise.ai/threats/cve-2026-91866-a-specially-crafted-pair-of-ws-policy-documents-can-force-neethi) (high, CVSS 7.5, published 21 Sep 2026) - [CVE-2026-91865: Apache Neethi exponential policy expansion denial of service](https://junglewise.ai/threats/cve-2026-91865-a-small-ws-policy-document-using-repeated-policy-references-can) (high, CVSS 7.5, published 21 Sep 2026) - [CVE-2026-91864: Apache Neethi heap exhaustion in WS-Policy processing](https://junglewise.ai/threats/cve-2026-91864-a-specially-crafted-ws-policy-document-can-pack-unlimited-content) (high, CVSS 7.5, published 21 Sep 2026) - [CVE-2026-91863: Apache Neethi stack exhaustion via deeply nested WS-Policy elements](https://junglewise.ai/threats/cve-2026-91863-a-specially-crafted-ws-policy-document-with-deeply-nested-policy) (high, CVSS 7.5, published 21 Sep 2026) - [CVE-2026-42404: Apache Neethi does not impose any restrictions on URIs when manually fetching remote policy references through the…](https://junglewise.ai/threats/cve-2026-42404-apache-neethi-doesn-t-impose-any-restrictions-on-uris-when) (medium, CVSS 6.5, published 1 May 2026) - [CVE-2026-42403: Apache Neethi does not properly detect circular references in policy definitions.](https://junglewise.ai/threats/cve-2026-42403-apache-neethi-does-not-properly-detect-circular-references-in) (high, CVSS 7.5, published 1 May 2026) - [CVE-2026-42402: Apache Neethi is vulnerable to a Denial of Service attack through algorithmic complexity in policy normalization](https://junglewise.ai/threats/cve-2026-42402-apache-neethi-is-vulnerable-to-a-denial-of-service-attack-through) (high, CVSS 7.5, published 1 May 2026) ## Most severe Apache Neethi vulnerabilities - [CVE-2026-91863: Apache Neethi stack exhaustion via deeply nested WS-Policy elements](https://junglewise.ai/threats/cve-2026-91863-a-specially-crafted-ws-policy-document-with-deeply-nested-policy) (high, CVSS 7.5, published 21 Sep 2026) - [CVE-2026-42403: Apache Neethi does not properly detect circular references in policy definitions.](https://junglewise.ai/threats/cve-2026-42403-apache-neethi-does-not-properly-detect-circular-references-in) (high, CVSS 7.5, published 1 May 2026) - [CVE-2026-42402: Apache Neethi is vulnerable to a Denial of Service attack through algorithmic complexity in policy normalization](https://junglewise.ai/threats/cve-2026-42402-apache-neethi-is-vulnerable-to-a-denial-of-service-attack-through) (high, CVSS 7.5, published 1 May 2026) - [CVE-2026-91866: Apache Neethi policy intersection exponential complexity denial of service](https://junglewise.ai/threats/cve-2026-91866-a-specially-crafted-pair-of-ws-policy-documents-can-force-neethi) (high, CVSS 7.5, published 21 Sep 2026) - [CVE-2026-91865: Apache Neethi exponential policy expansion denial of service](https://junglewise.ai/threats/cve-2026-91865-a-small-ws-policy-document-using-repeated-policy-references-can) (high, CVSS 7.5, published 21 Sep 2026) - [CVE-2026-91864: Apache Neethi heap exhaustion in WS-Policy processing](https://junglewise.ai/threats/cve-2026-91864-a-specially-crafted-ws-policy-document-can-pack-unlimited-content) (high, CVSS 7.5, published 21 Sep 2026) - [CVE-2026-42404: Apache Neethi does not impose any restrictions on URIs when manually fetching remote policy references through the…](https://junglewise.ai/threats/cve-2026-42404-apache-neethi-doesn-t-impose-any-restrictions-on-uris-when) (medium, CVSS 6.5, published 1 May 2026) - [CVE-2026-91867: Neethi remote policy fetch thread exhaustion](https://junglewise.ai/threats/cve-2026-91867-when-neethi-fetches-a-remote-policy-reference-it-only-limits-the) (medium, CVSS 4.3, published 21 Sep 2026) ## Vulnerabilities per week Nothing in the last four weeks, down from 5 vulnerabilities in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 5 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Apache technologies - [Apache Airflow](https://junglewise.ai/threats/technologies/airflow): 95 vulnerabilities - [Apache Camel](https://junglewise.ai/threats/technologies/camel): 87 vulnerabilities - [Apache Tomcat](https://junglewise.ai/threats/technologies/tomcat): 87 vulnerabilities - [Apache Thrift](https://junglewise.ai/threats/technologies/thrift): 77 vulnerabilities - [Apache Ofbiz](https://junglewise.ai/threats/technologies/ofbiz): 67 vulnerabilities - [Apache HTTP Server](https://junglewise.ai/threats/technologies/http-server): 62 vulnerabilities - [Apache Traffic Server](https://junglewise.ai/threats/technologies/traffic-server): 55 vulnerabilities - [Apache Brpc](https://junglewise.ai/threats/technologies/brpc): 36 vulnerabilities - [Apache Roller](https://junglewise.ai/threats/technologies/roller): 30 vulnerabilities - [Apache CloudStack](https://junglewise.ai/threats/technologies/cloudstack): 28 vulnerabilities - [Apache ActiveMQ](https://junglewise.ai/threats/technologies/activemq): 27 vulnerabilities - [Apache Apisix](https://junglewise.ai/threats/technologies/apisix): 27 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Apache Neethi vulnerabilities", https://junglewise.ai/threats/technologies/apache-neethi, 12 November 2026.