{"id":81716,"date":"2026-07-09T00:57:34","date_gmt":"2026-07-08T21:27:34","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-55470-hapi-fhir-dstu2-fhirpathengine-matches-missing-regextimeout-protection-allows-redos\/"},"modified":"2026-07-09T00:57:34","modified_gmt":"2026-07-08T21:27:34","slug":"cve-2026-55470-hapi-fhir-dstu2-fhirpathengine-matches-missing-regextimeout-protection-allows-redos","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-55470-hapi-fhir-dstu2-fhirpathengine-matches-missing-regextimeout-protection-allows-redos\/","title":{"rendered":"CVE-2026-55470 &#8211; HAPI FHIR: DSTU2 FHIRPathEngine.matches() missing RegexTimeout protection allows ReDoS"},"content":{"rendered":"<p>CVE ID :CVE-2026-55470<\/p>\n<p>  Published : July 8, 2026, 9:27 p.m. | 21\u00a0minutes ago<\/p>\n<p>  Description :HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. Prior to 6.9.10, the fix for CVE-2026-45367 incompletely patched the DSTU2 module, leaving FHIRPathEngine.matches() in org.hl7.fhir.dstu2\/utils\/FHIRPathEngine.java to call raw String.matches(sw) without RegexTimeout protection while replaceMatches() was updated, allowing an unauthenticated attacker to trigger catastrophic regex backtracking and exhaust server CPU. This issue is fixed in version 6.9.10.<\/p>\n<p>  Severity: 0.0 | NA<\/p>\n<p>  Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID :CVE-2026-55470 Published : July 8, 2026, 9:27 p.m. | 21\u00a0minutes ago Description :HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. Prior to 6.9.10, the fix for CVE-2026-45367 incompletely patched the DSTU2 module, leaving FHIRPathEngine.matches() in org.hl7.fhir.dstu2\/utils\/FHIRPathEngine.java to call raw String.matches(sw) without RegexTimeout protection while replaceMatches() &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-81716","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81716","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=81716"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81716\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=81716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=81716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=81716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}