Lucene search
K
Catalog
Vendors
Products
Timeline
Vulnerabilities
Sources
Documentation
Blog
Glossary
FAQ
Brand assets
Assessment
Agents dashboard
Agent Scanning
API Scanning
Assessment API
Alerts
Email notifications
Webhook notifications
Alerts API
SBOM package analysis
API Reference
Support
Settings
Sign in

PT-2026-50599

🗓️ 17 Jun 2026 00:00:00Reported by Positive TechnologiesType 
ptsecurity
 ptsecurity🔗 dbugs.ptsecurity.com👁 15 Views

DSTU2 matches() uses raw String.matches without timeout, enabling CPU exhaustion from regex backtracking.

Related
Refs
ReporterTitlePublishedViews
Family
CVE		CVE-2026-55470
17 Jun 202618:47
–cve
Github Security Blog		HAPI FHIR: Incomplete fix for CVE-2026-45367: DSTU2 FHIRPathEngine.matches() missing RegexTimeout protection allows ReDoS
17 Jun 202618:47
–github
GitLab Advisory Database		HAPI FHIR: Incomplete fix for CVE-2026-45367: DSTU2 FHIRPathEngine.matches() missing RegexTimeout protection allows ReDoS
17 Jun 202600:00
–gitlab
GitLab Advisory Database		HAPI FHIR: Incomplete fix for CVE-2026-45367: DSTU2 FHIRPathEngine.matches() missing RegexTimeout protection allows ReDoS
17 Jun 202600:00
–gitlab
GitLab Advisory Database		HAPI FHIR: Incomplete fix for CVE-2026-45367: DSTU2 FHIRPathEngine.matches() missing RegexTimeout protection allows ReDoS
17 Jun 202600:00
–gitlab
GitLab Advisory Database		HAPI FHIR: Incomplete fix for CVE-2026-45367: DSTU2 FHIRPathEngine.matches() missing RegexTimeout protection allows ReDoS
17 Jun 202600:00
–gitlab
OSV		GHSA-FXJ4-P9XP-37V5 HAPI FHIR: Incomplete fix for CVE-2026-45367: DSTU2 FHIRPathEngine.matches() missing RegexTimeout protection allows ReDoS
17 Jun 202618:47
–osv
OSV		ROOT-APP-MAVEN-CVE-2026-55470 CVE-2026-55470 in io.root.ca.uhn.hapi.fhir:org.hl7.fhir.dstu2 - Patched by Root
5 Jul 202617:32
–osv
Snyk		Regular Expression Denial of Service (ReDoS)
17 Jun 202618:47
–snyk
vulnersOsv		ca.uhn.hapi.fhir:hapi-fhir-cli-api (>=4.0.0 <=8.8.1), ca.uhn.hapi.fhir:hapi-fhir-cli-app (>=5.6.5 <=7.4.5) +222 more potentially affected by CVE-2026-55470 via ca.uhn.hapi.fhir:org.hl7.fhir.validation (>=1.0.0 <=6.9.1)
17 Jun 202618:47
–vulnersosv
Rows per page

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

Book a live demo
24 Jun 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
legacy moduleregex timeoutcpu exhaustionbacktrackingmatches patch incomplete
15