{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-32309", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-11T21:16:21.659Z", "datePublished": "2026-03-20T18:19:09.746Z", "dateUpdated": "2026-03-25T13:59:50.159Z"}, "containers": {"cna": {"title": "Cryptomator: Hub unlocking accepts plaintext HTTP and unvalidated endpoint schemes", "problemTypes": [{"descriptions": [{"cweId": "CWE-319", "lang": "en", "description": "CWE-319: Cleartext Transmission of Sensitive Information", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/cryptomator/cryptomator/security/advisories/GHSA-vv33-h7qx-c264", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/cryptomator/cryptomator/security/advisories/GHSA-vv33-h7qx-c264"}, {"name": "https://github.com/cryptomator/cryptomator/releases/tag/1.19.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/cryptomator/cryptomator/releases/tag/1.19.1"}], "affected": [{"vendor": "cryptomator", "product": "cryptomator", "versions": [{"version": "< 1.19.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-20T18:19:09.746Z"}, "descriptions": [{"lang": "en", "value": "Cryptomator encrypts data being stored on cloud infrastructure. Prior to version 1.19.1, the Hub-based unlock flow explicitly supports hub+http and consumes Hub endpoints from vault metadata without enforcing HTTPS. As a result, a vault configuration can drive OAuth and key-loading traffic over plaintext HTTP or other insecure endpoint combinations. An active network attacker can tamper with or observe this traffic. Even when the vault key is encrypted for the device, bearer tokens and endpoint-level trust decisions are still exposed to downgrade and interception. This issue has been patched in version 1.19.1."}], "source": {"advisory": "GHSA-vv33-h7qx-c264", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/cryptomator/cryptomator/security/advisories/GHSA-vv33-h7qx-c264", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-25T13:59:46.415475Z", "id": "CVE-2026-32309", "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": "2026-03-25T13:59:50.159Z"}}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cryptomator:cryptomator:*:*:*:*:*:*:*:*", "matchCriteriaId": "039991F9-B02C-4F96-B022-2ACFD48A068C", "versionEndExcluding": "1.19.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Cryptomator encrypts data being stored on cloud infrastructure. Prior to version 1.19.1, the Hub-based unlock flow explicitly supports hub+http and consumes Hub endpoints from vault metadata without enforcing HTTPS. As a result, a vault configuration can drive OAuth and key-loading traffic over plaintext HTTP or other insecure endpoint combinations. An active network attacker can tamper with or observe this traffic. Even when the vault key is encrypted for the device, bearer tokens and endpoint-level trust decisions are still exposed to downgrade and interception. This issue has been patched in version 1.19.1."}, {"lang": "es", "value": "Cryptomator cifra los datos almacenados en infraestructura en la nube. Antes de la versi\u00f3n 1.19.1, el flujo de desbloqueo basado en Hub soporta expl\u00edcitamente hub+http y consume puntos finales de Hub de los metadatos de la b\u00f3veda sin forzar HTTPS. Como resultado, una configuraci\u00f3n de b\u00f3veda puede dirigir tr\u00e1fico de OAuth y carga de claves sobre HTTP en texto plano o sobre otras combinaciones de puntos finales inseguras. Un atacante de red activo puede manipular u observar este tr\u00e1fico. Incluso cuando la clave de la b\u00f3veda est\u00e1 cifrada para el dispositivo, los tokens de portador y las decisiones de confianza a nivel de punto final a\u00fan est\u00e1n expuestos a degradaci\u00f3n e interceptaci\u00f3n. Este problema ha sido parcheado en la versi\u00f3n 1.19.1."}], "id": "CVE-2026-32309", "lastModified": "2026-03-25T20:49:04.670", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "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": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/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": "LOW", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-03-20T19:16:15.733", "references": [{"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/cryptomator/cryptomator/releases/tag/1.19.1"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/cryptomator/cryptomator/security/advisories/GHSA-vv33-h7qx-c264"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Vendor Advisory"], "url": "https://github.com/cryptomator/cryptomator/security/advisories/GHSA-vv33-h7qx-c264"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-319"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.19.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "cryptomator", "source": "cna", "vendor": "cryptomator"}, "product": "cryptomator", "vendor": "cryptomator"}], "analysis": {"en": {"generated_at": "2026-03-26T01:46:23.910678+00:00", "value": {"mitigation_remediation": ["Update Cryptomator to version 1.19.1 or later and verify the installation"], "summary": {"action": "Apply Patch", "impact": "Sensitive authentication data exposed via plaintext HTTP"}, "threat_synthesis": {"affected_systems": "All users of Cryptomator running versions older than 1.19.1 and employing the Hub\u2011based unlock mechanism are affected. The issue originates from vault configuration files that store Hub endpoint definitions without enforcing HTTPS.", "description_and_impact": "Cryptomator\u2019s Hub unlocking flow permits Hub endpoints to be transmitted over plain HTTP and accepts unvalidated endpoint schemes. This flaw allows attacker to observe or tamper with OAuth bearer tokens and key\u2011loading traffic that should otherwise travel securely. The vulnerability is an instance of insecure transmission of sensitive information.", "risk_and_exploitability": "The CVSS score of 8.7 indicates high severity for confidentiality and integrity. EPSS is below 1\u202f%, suggesting a low likelihood of exploitation. It is inferred that a network attacker who can intercept traffic to the Hub service could exploit the flaw. The vulnerability is not listed in the CISA KEV catalog. Exposing bearer tokens and endpoint decisions can lead to unauthorized access if an attacker successfully downgrades the communication channel."}}}}, "created": "2026-03-23T09:53:04.146771+00:00", "updated": "2026-03-26T12:20:38.422611+00:00", "vendors": ["cryptomator", "cryptomator$PRODUCT$cryptomator"]}