{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-84376", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-01T16:27:58.129Z", "datePublished": "2026-09-02T16:24:23.799Z", "dateUpdated": "2026-09-02T16:24:23.799Z"}, "containers": {"cna": {"title": "Astro: Authorization bypass from missing path-segment boundary check when stripping the configured base", "problemTypes": [{"descriptions": [{"cweId": "CWE-187", "lang": "en", "description": "CWE-187: Partial String Comparison", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/withastro/astro/security/advisories/GHSA-376h-93r7-7g6f", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/withastro/astro/security/advisories/GHSA-376h-93r7-7g6f"}, {"name": "https://github.com/withastro/astro/pull/17701", "tags": ["x_refsource_MISC"], "url": "https://github.com/withastro/astro/pull/17701"}, {"name": "https://github.com/withastro/astro/commit/05763a0884aabb1da78a2749d5bb9d41ae620527", "tags": ["x_refsource_MISC"], "url": "https://github.com/withastro/astro/commit/05763a0884aabb1da78a2749d5bb9d41ae620527"}, {"name": "https://github.com/withastro/astro/releases/tag/astro@7.2.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/withastro/astro/releases/tag/astro@7.2.4"}], "affected": [{"vendor": "withastro", "product": "astro", "versions": [{"version": "< 7.2.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-02T16:24:23.799Z"}, "descriptions": [{"lang": "en", "value": "Astro is a web framework for content-driven websites. Prior to 7.2.4, Astro stripped a configured non-root base path from request pathnames using a string-prefix check without verifying a path-segment boundary. With base \"/app\", a request to \"/appX/admin\" resolved internally to the protected \"/admin\" route while middleware observed \"/appX/admin\" in context.url.pathname. In applications that authorize base-prefixed routes by inspecting context.url.pathname, an unauthenticated remote attacker could bypass pathname-based middleware authorization and reach protected routes. This issue is fixed in version 7.2.4."}], "source": {"advisory": "GHSA-376h-93r7-7g6f", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "astro", "vendor": "withastro", "versions": [{"status": "affected", "version": "< 7.2.4"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Astro is a web framework for content-driven websites. Prior to 7.2.4, Astro stripped a configured non-root base path from request pathnames using a string-prefix check without verifying a path-segment boundary. With base \"/app\", a request to \"/appX/admin\" resolved internally to the protected \"/admin\" route while middleware observed \"/appX/admin\" in context.url.pathname. In applications that authorize base-prefixed routes by inspecting context.url.pathname, an unauthenticated remote attacker could bypass pathname-based middleware authorization and reach protected routes. This issue is fixed in version 7.2.4."}], "id": "CVE-2026-84376", "lastModified": "2026-09-02T17:18:00.497", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-02T17:18:00.497", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/withastro/astro/commit/05763a0884aabb1da78a2749d5bb9d41ae620527"}, {"source": "security-advisories@github.com", "url": "https://github.com/withastro/astro/pull/17701"}, {"source": "security-advisories@github.com", "url": "https://github.com/withastro/astro/releases/tag/astro@7.2.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/withastro/astro/security/advisories/GHSA-376h-93r7-7g6f"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-187"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,7.2.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "astro", "source": "cna", "vendor": "withastro"}, "product": "astro", "vendor": "withastro"}], "created": "2026-09-03T11:00:03.335954+00:00", "updated": "2026-09-03T11:30:03.601001+00:00", "vendors": ["withastro", "withastro$PRODUCT$astro"]}