{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-25740","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-02-05T16:48:00.428Z","datePublished":"2026-02-09T20:17:16.777Z","dateUpdated":"2026-02-10T15:59:39.070Z"},"containers":{"cna":{"title":"Privilege escalation to the `CAP_NET_RAW` capability via the `programs.captive-browser` NixOS module","problemTypes":[{"descriptions":[{"cweId":"CWE-250","lang":"en","description":"CWE-250: Execution with Unnecessary Privileges","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":5.8,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/NixOS/nixpkgs/security/advisories/GHSA-wc3r-c66x-8xmc","tags":["x_refsource_CONFIRM"],"url":"https://github.com/NixOS/nixpkgs/security/advisories/GHSA-wc3r-c66x-8xmc"},{"name":"https://github.com/NixOS/nixpkgs/pull/487775","tags":["x_refsource_MISC"],"url":"https://github.com/NixOS/nixpkgs/pull/487775"},{"name":"https://github.com/NixOS/nixpkgs/pull/487779","tags":["x_refsource_MISC"],"url":"https://github.com/NixOS/nixpkgs/pull/487779"}],"affected":[{"vendor":"NixOS","product":"nixpkgs","versions":[{"version":"<= 25.05","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-02-09T20:17:16.777Z"},"descriptions":[{"lang":"en","value":"captive browser, a dedicated Chrome instance to log into captive portals without messing with DNS settings. In 25.05 and earlier, when programs.captive-browser is enabled, any user of the system can run arbitrary commands with the CAP_NET_RAW capability (binding to privileged ports, spoofing localhost traffic from privileged services...). This vulnerability is fixed in 25.11 and 26.05."}],"source":{"advisory":"GHSA-wc3r-c66x-8xmc","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-10T15:30:17.008038Z","id":"CVE-2026-25740","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":"2026-02-10T15:59:39.070Z"}}]}}