{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-55571", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-16T23:11:20.214Z", "datePublished": "2026-08-25T16:05:49.069Z", "dateUpdated": "2026-08-25T16:05:49.069Z"}, "containers": {"cna": {"title": "djust authentication bypass: a login_required / on_mount LiveView mount redirect does not close the WebSocket, allowing an unauthenticated client to dispatch event-handler calls", "problemTypes": [{"descriptions": [{"cweId": "CWE-285", "lang": "en", "description": "CWE-285: Improper Authorization", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-306", "lang": "en", "description": "CWE-306: Missing Authentication for Critical Function", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/djust-org/djust/security/advisories/GHSA-xx4j-w367-7247", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/djust-org/djust/security/advisories/GHSA-xx4j-w367-7247"}, {"name": "https://github.com/djust-org/djust/pull/1780", "tags": ["x_refsource_MISC"], "url": "https://github.com/djust-org/djust/pull/1780"}, {"name": "https://github.com/djust-org/djust/commit/1ae8aa9246b80477de7ddc4d90319a3b267bef04", "tags": ["x_refsource_MISC"], "url": "https://github.com/djust-org/djust/commit/1ae8aa9246b80477de7ddc4d90319a3b267bef04"}, {"name": "https://github.com/djust-org/djust/releases/tag/v1.0.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/djust-org/djust/releases/tag/v1.0.4"}], "affected": [{"vendor": "djust-org", "product": "djust", "versions": [{"version": "< 1.0.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-25T16:05:49.069Z"}, "descriptions": [{"lang": "en", "value": "djust provides Phoenix LiveView-style reactive server-side rendering for Django with Rust-powered performance. Prior to 1.0.4, LiveViewConsumer.handle_mount sends a `{\"type\":\"navigate\",\"to\":...}` frame when login_required, permission_required, or a redirecting on_mount hook denies a LiveView mount, but returns without closing the WebSocket or clearing self.view_instance. A browser follows the redirect, but a raw WebSocket client can ignore it and retain the mounted socket. Because LiveViewConsumer.handle_event does not recheck authentication or authorization, the client can send `{\"type\":\"event\",...}` frames that invoke @event_handler methods without an authenticated session, including through handle_live_redirect_mount, enabling unauthorized sensitive reads or mutations. This issue is fixed in version 1.0.4."}], "source": {"advisory": "GHSA-xx4j-w367-7247", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "djust", "vendor": "djust-org", "versions": [{"status": "affected", "version": "< 1.0.4"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "djust provides Phoenix LiveView-style reactive server-side rendering for Django with Rust-powered performance. Prior to 1.0.4, LiveViewConsumer.handle_mount sends a `{\"type\":\"navigate\",\"to\":...}` frame when login_required, permission_required, or a redirecting on_mount hook denies a LiveView mount, but returns without closing the WebSocket or clearing self.view_instance. A browser follows the redirect, but a raw WebSocket client can ignore it and retain the mounted socket. Because LiveViewConsumer.handle_event does not recheck authentication or authorization, the client can send `{\"type\":\"event\",...}` frames that invoke @event_handler methods without an authenticated session, including through handle_live_redirect_mount, enabling unauthorized sensitive reads or mutations. This issue is fixed in version 1.0.4."}], "id": "CVE-2026-55571", "lastModified": "2026-08-25T17:17:32.547", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.2, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-08-25T17:17:32.547", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/djust-org/djust/commit/1ae8aa9246b80477de7ddc4d90319a3b267bef04"}, {"source": "security-advisories@github.com", "url": "https://github.com/djust-org/djust/pull/1780"}, {"source": "security-advisories@github.com", "url": "https://github.com/djust-org/djust/releases/tag/v1.0.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/djust-org/djust/security/advisories/GHSA-xx4j-w367-7247"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-285"}, {"lang": "en", "value": "CWE-306"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}