{"id":"CVE-2026-46391","sourceIdentifier":"security-advisories@github.com","published":"2026-06-05T19:16:33.007","lastModified":"2026-10-26T11:10:00.157","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"HAX CMS helps manage microsite universe with PHP or NodeJs backends. Starting in version 9.0.1 and prior to version 26.0.0 of @haxtheweb/open-apis, multiple functions conduct substring-only matching to validate hostnames to which basic authorization should be sent. An attacker can append the matched substrings to an attacker-controlled endpoint and capture authentication. Version 26.0.0 fixes the issue."},{"lang":"es","value":"HAX CMS ayuda a gestionar el universo de micrositios con backends de PHP o NodeJs. A partir de la versión 9.0.1 y anterior a la versión 26.0.0 de @haxtheweb/open-apis, múltiples funciones realizan una coincidencia solo de subcadenas para validar nombres de host a los que se debe enviar la autorización básica. Un atacante puede añadir las subcadenas coincidentes a un endpoint controlado por el atacante y capturar la autenticación. La versión 26.0.0 corrige el problema."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"haxtheweb","product":"@haxtheweb/open-apis","versions":[{"version":">= 9.0.1, < 26.0.0","status":"affected"}]}]}],"metrics":{"cvssMetricV40":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":8.7,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-06-08T16:18:05.580327Z","id":"CVE-2026-46391","options":[{"exploitation":"poc"},{"automatable":"yes"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-183"},{"lang":"en","value":"CWE-918"}]}],"references":[{"url":"https://github.com/haxtheweb/issues/security/advisories/GHSA-4fg7-f244-3j49","source":"security-advisories@github.com"},{"url":"https://github.com/haxtheweb/issues/security/advisories/GHSA-4fg7-f244-3j49","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}