{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-26104", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-02-11T12:48:26.436Z", "datePublished": "2026-02-25T10:51:15.204Z", "dateUpdated": "2026-03-25T18:52:14.488Z" }, "containers": { "cna": { "title": "Udisks: missing authorization check allows unprivileged users to back up luks headers via udisks d-bus api", "metrics": [ { "other": { "content": { "value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1" }, "format": "CVSS" } ], "descriptions": [ { "lang": "en", "value": "A flaw was found in the udisks storage management daemon that allows unprivileged users to back up LUKS encryption headers without authorization. The issue occurs because a privileged D-Bus method responsible for exporting encryption metadata does not perform a policy check. As a result, sensitive cryptographic metadata can be read and written to attacker-controlled locations. This weakens the confidentiality guarantees of encrypted storage volumes." } ], "affected": [ { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "udisks2", "defaultStatus": "affected", "versions": [ { "version": "0:2.10.90-6.el10_1.1", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/o:redhat:enterprise_linux:10.1" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10.0 Extended Update Support", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "udisks2", "defaultStatus": "affected", "versions": [ { "version": "0:2.10.90-5.el10_0.2", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/o:redhat:enterprise_linux_eus:10.0" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "udisks", "defaultStatus": "unaffected", "cpes": [ "cpe:/o:redhat:enterprise_linux:6" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "udisks2", "defaultStatus": "unaffected", "cpes": [ "cpe:/o:redhat:enterprise_linux:7" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "udisks2", "defaultStatus": "unaffected", "cpes": [ "cpe:/o:redhat:enterprise_linux:8" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "udisks2", "defaultStatus": "unaffected", "cpes": [ "cpe:/o:redhat:enterprise_linux:9" ] } ], "references": [ { "url": "https://access.redhat.com/errata/RHSA-2026:3476", "name": "RHSA-2026:3476", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:5831", "name": "RHSA-2026:5831", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/security/cve/CVE-2026-26104", "tags": [ "vdb-entry", "x_refsource_REDHAT" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2433717", "name": "RHBZ#2433717", "tags": [ "issue-tracking", "x_refsource_REDHAT" ] }, { "url": "https://github.com/storaged-project/udisks/security/advisories/GHSA-fcvx-497g-6xmw" } ], "datePublic": "2026-02-25T06:00:00.000Z", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-862", "description": "Missing Authorization", "lang": "en", "type": "CWE" } ] } ], "x_redhatCweChain": "CWE-862: Missing Authorization", "workarounds": [ { "lang": "en", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to a widespread installation base, or stability." } ], "timeline": [ { "lang": "en", "time": "2026-01-28T06:19:50.721Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2026-02-25T06:00:00.000Z", "value": "Made public." } ], "credits": [ { "lang": "en", "value": "Red Hat would like to thank Asim Viladi Oglu Manizada for reporting this issue." } ], "providerMetadata": { "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-03-25T18:52:14.488Z" }, "x_generator": { "engine": "cvelib 1.8.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-02-25T20:49:09.190143Z", "id": "CVE-2026-26104", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-25T20:49:19.895Z" } } ] } }