{"schema_version":1,"title":"org.http4s:http4s-blaze-server_2.13 (Maven) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 3 vulnerabilities in org.http4s:http4s-blaze-server_2.13 (Maven): 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-73494, was published on 14 September 2026. Nothing in the last four weeks, down from 1 vulnerability in the four before.","url":"https://junglewise.ai/threats/technologies/org-http4s-http4s-blaze-server-2-13","json_url":"https://junglewise.ai/threats/technologies/org-http4s-http4s-blaze-server-2-13.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/org-http4s-http4s-blaze-server-2-13","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","thin":true,"counts":{"high":2,"all_time":3,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":1,"last_365_days":2},"latest":[{"cve":"CVE-2026-73494","cvss":7.4,"epss":0.0063,"slug":"cve-2026-73494-http4s-blaze-http-1-1-parser-conformance-bypass","title":"http4s blaze HTTP/1.1 parser conformance bypass","severity":"high","exploited":false,"published_at":"2026-09-14T18:19:58.857+00:00","url":"https://junglewise.ai/threats/cve-2026-73494-http4s-blaze-http-1-1-parser-conformance-bypass"},{"cve":"CVE-2026-73493","cvss":7.5,"epss":0.0063,"slug":"cve-2026-73493-http4s-blaze-server-unbounded-websocket-message-aggregation","title":"Http4s blaze-server unbounded WebSocket message aggregation","severity":"high","exploited":false,"published_at":"2026-08-12T22:17:16.673+00:00","url":"https://junglewise.ai/threats/cve-2026-73493-http4s-blaze-server-unbounded-websocket-message-aggregation"},{"cve":"CVE-2021-21294","cvss":3.1,"epss":0.0215,"slug":"cve-2021-21294-unbounded-connection-acceptance-in-http4s-blaze-server","title":"Unbounded connection acceptance in http4s-blaze-server","severity":"low","exploited":false,"published_at":"2021-02-02T21:42:56+00:00","url":"https://junglewise.ai/threats/cve-2021-21294-unbounded-connection-acceptance-in-http4s-blaze-server"}],"weekly":[{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"org.jenkins-ci.main:jenkins-core (Maven)","slug":"org-jenkins-ci-main-jenkins-core","vulnerabilities":259,"url":"https://junglewise.ai/threats/technologies/org-jenkins-ci-main-jenkins-core"},{"name":"org.apache.tomcat:tomcat (Maven)","slug":"org-apache-tomcat-tomcat","vulnerabilities":169,"url":"https://junglewise.ai/threats/technologies/org-apache-tomcat-tomcat"},{"name":"com.liferay.portal:release.portal.bom (Maven)","slug":"com-liferay-portal-release-portal-bom","vulnerabilities":159,"url":"https://junglewise.ai/threats/technologies/com-liferay-portal-release-portal-bom"},{"name":"com.liferay.portal:release.dxp.bom (Maven)","slug":"com-liferay-portal-release-dxp-bom","vulnerabilities":125,"url":"https://junglewise.ai/threats/technologies/com-liferay-portal-release-dxp-bom"},{"name":"org.keycloak:keycloak-services (Maven)","slug":"org-keycloak-keycloak-services","vulnerabilities":122,"url":"https://junglewise.ai/threats/technologies/org-keycloak-keycloak-services"},{"name":"com.fasterxml.jackson.core:jackson-databind (Maven)","slug":"com-fasterxml-jackson-core-jackson-databind","vulnerabilities":86,"url":"https://junglewise.ai/threats/technologies/com-fasterxml-jackson-core-jackson-databind"},{"name":"org.apache.tomcat.embed:tomcat-embed-core (Maven)","slug":"org-apache-tomcat-embed-tomcat-embed-core","vulnerabilities":83,"url":"https://junglewise.ai/threats/technologies/org-apache-tomcat-embed-tomcat-embed-core"},{"name":"org.apache.struts:struts2-core (Maven)","slug":"org-apache-struts-struts2-core","vulnerabilities":60,"url":"https://junglewise.ai/threats/technologies/org-apache-struts-struts2-core"},{"name":"org.keycloak:keycloak-core (Maven)","slug":"org-keycloak-keycloak-core","vulnerabilities":57,"url":"https://junglewise.ai/threats/technologies/org-keycloak-keycloak-core"},{"name":"org.xwiki.platform:xwiki-platform-oldcore (Maven)","slug":"org-xwiki-platform-xwiki-platform-oldcore","vulnerabilities":46,"url":"https://junglewise.ai/threats/technologies/org-xwiki-platform-xwiki-platform-oldcore"},{"name":"org.apache.tomcat:tomcat-catalina (Maven)","slug":"org-apache-tomcat-tomcat-catalina","vulnerabilities":44,"url":"https://junglewise.ai/threats/technologies/org-apache-tomcat-tomcat-catalina"},{"name":"org.elasticsearch:elasticsearch (Maven)","slug":"org-elasticsearch-elasticsearch","vulnerabilities":41,"url":"https://junglewise.ai/threats/technologies/org-elasticsearch-elasticsearch"}],"technology":{"hub":true,"name":"org.http4s:http4s-blaze-server_2.13 (Maven)","slug":"org-http4s-http4s-blaze-server-2-13","vendor":{"hub":true,"name":"Maven","slug":"maven","url":"https://junglewise.ai/threats/vendors/maven"},"aliases":[],"homepage":"https://http4s.org/","repo_url":"https://github.com/http4s/http4s-blaze","description":"A Blaze-based server backend for the http4s functional HTTP library for Scala 2.13.","url":"https://junglewise.ai/threats/technologies/org-http4s-http4s-blaze-server-2-13"},"most_severe":[{"cve":"CVE-2026-73493","cvss":7.5,"epss":0.0063,"slug":"cve-2026-73493-http4s-blaze-server-unbounded-websocket-message-aggregation","title":"Http4s blaze-server unbounded WebSocket message aggregation","severity":"high","exploited":false,"published_at":"2026-08-12T22:17:16.673+00:00","url":"https://junglewise.ai/threats/cve-2026-73493-http4s-blaze-server-unbounded-websocket-message-aggregation"},{"cve":"CVE-2026-73494","cvss":7.4,"epss":0.0063,"slug":"cve-2026-73494-http4s-blaze-http-1-1-parser-conformance-bypass","title":"http4s blaze HTTP/1.1 parser conformance bypass","severity":"high","exploited":false,"published_at":"2026-09-14T18:19:58.857+00:00","url":"https://junglewise.ai/threats/cve-2026-73494-http4s-blaze-http-1-1-parser-conformance-bypass"},{"cve":"CVE-2021-21294","cvss":3.1,"epss":0.0215,"slug":"cve-2021-21294-unbounded-connection-acceptance-in-http4s-blaze-server","title":"Unbounded connection acceptance in http4s-blaze-server","severity":"low","exploited":false,"published_at":"2021-02-02T21:42:56+00:00","url":"https://junglewise.ai/threats/cve-2021-21294-unbounded-connection-acceptance-in-http4s-blaze-server"}],"generated_at":"2026-11-11T03:07:00.183524+00:00"}