{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-25704","assignerOrgId":"404e59f5-483d-4b8a-8e7a-e67604dd8afb","state":"PUBLISHED","assignerShortName":"suse","dateReserved":"2026-02-05T15:37:24.184Z","datePublished":"2026-03-30T07:44:39.672Z","dateUpdated":"2026-04-16T16:32:11.153Z"},"containers":{"cna":{"providerMetadata":{"orgId":"404e59f5-483d-4b8a-8e7a-e67604dd8afb","shortName":"suse","dateUpdated":"2026-03-30T07:44:39.672Z"},"title":"Incomplete privilege drop for com.system76.CosmicGreeter.GetUserData","datePublic":"2026-03-11T11:25:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-271","description":"CWE-271: Privilege Dropping / Lowering Errors","type":"CWE"}]},{"descriptions":[{"lang":"en","cweId":"CWE-367","description":"CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition","type":"CWE"}]}],"affected":[{"vendor":"pop-os","product":"cosmic-greeter","packageName":"cosmic-greeter","versions":[{"status":"affected","version":"?","lessThan":"https://github.com/pop-os/cosmic-greeter/pull/426","versionType":"git"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"A Privilege Dropping / Lowering Errors/Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in  cosmic-greeter can allow an attacker to regain privileges that should have been dropped and abuse them in the racy checking logic.\n\n\n\n\nThis issue affects cosmic-greeter before https://github.Com/pop-os/cosmic-greeter/pull/426.","supportingMedia":[{"type":"text/html","base64":false,"value":"<div>A Privilege Dropping / Lowering Errors/Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in&nbsp; cosmic-greeter can allow an attacker to regain privileges that should have been dropped and abuse them in the racy checking logic.</div><div><br></div><p>This issue affects cosmic-greeter before https://github.Com/pop-os/cosmic-greeter/pull/426.</p>"}]}],"references":[{"url":"https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-25704"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":5.8,"vectorString":"CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N"}}],"credits":[{"lang":"en","value":"Matthias Gerstner of SUSE","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.1"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-30T15:15:22.499459Z","id":"CVE-2026-25704","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":"2026-03-30T15:16:08.947Z"}},{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/04/16/3"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2026-04-16T16:32:11.153Z"}}]}}