{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-41571", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-04-21T14:15:21.957Z", "datePublished": "2026-05-04T17:42:32.428Z", "dateUpdated": "2026-05-04T20:20:53.632Z" }, "containers": { "cna": { "title": "Note Mark: OIDC-registered users authenticated by submitting password \"null\"", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-287", "lang": "en", "description": "CWE-287: Improper Authentication", "type": "CWE" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 9.4, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L", "version": "3.1" } } ], "references": [ { "name": "https://github.com/enchant97/note-mark/security/advisories/GHSA-pxf8-6wqm-r6hh", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/enchant97/note-mark/security/advisories/GHSA-pxf8-6wqm-r6hh" }, { "name": "https://github.com/enchant97/note-mark/releases/tag/v0.19.3", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/enchant97/note-mark/releases/tag/v0.19.3" } ], "affected": [ { "vendor": "enchant97", "product": "note-mark", "versions": [ { "version": "= 0.19.2", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-04T17:42:32.428Z" }, "descriptions": [ { "lang": "en", "value": "Note Mark is an open-source note-taking application. In version 0.19.2, IsPasswordMatch in backend/db/models.go falls back to a hard-coded bcrypt(\"null\") placeholder whenever a user has no stored password. OIDC-registered users are created with an empty password, so anyone who submits password: \"null\" to the internal login endpoint receives a valid session for that user. The bypass is unauthenticated and requires no user interaction. This issue has been patched in version 0.19.3." } ], "source": { "advisory": "GHSA-pxf8-6wqm-r6hh", "discovery": "UNKNOWN" } }, "adp": [ { "references": [ { "url": "https://github.com/enchant97/note-mark/security/advisories/GHSA-pxf8-6wqm-r6hh", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-05-04T20:20:49.852480Z", "id": "CVE-2026-41571", "options": [ { "Exploitation": "poc" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-04T20:20:53.632Z" } } ] } }