{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-54279","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-06-12T17:13:32.280Z","datePublished":"2026-06-22T16:32:45.407Z","dateUpdated":"2026-06-22T17:40:23.923Z"},"containers":{"cna":{"title":"AIOHTTP: Host-Only Cookies Become Domain Cookies After CookieJar Persistence","problemTypes":[{"descriptions":[{"cweId":"CWE-665","lang":"en","description":"CWE-665: Improper Initialization","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":1.3,"baseSeverity":"LOW","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:U","version":"4.0"}}],"references":[{"name":"https://github.com/aio-libs/aiohttp/security/advisories/GHSA-2fqr-mr3j-6wp8","tags":["x_refsource_CONFIRM"],"url":"https://github.com/aio-libs/aiohttp/security/advisories/GHSA-2fqr-mr3j-6wp8"},{"name":"https://github.com/aio-libs/aiohttp/commit/a329a7aacad5284f087af36103aff778746da0f2","tags":["x_refsource_MISC"],"url":"https://github.com/aio-libs/aiohttp/commit/a329a7aacad5284f087af36103aff778746da0f2"}],"affected":[{"vendor":"aio-libs","product":"aiohttp","versions":[{"version":"< 3.14.1","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-06-22T16:32:45.407Z"},"descriptions":[{"lang":"en","value":"AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, host-only cookies that are saved with CookieJar.save() and then restored later with CookieJar.load() lose their host-only status. This vulnerability is fixed in 3.14.1."}],"source":{"advisory":"GHSA-2fqr-mr3j-6wp8","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-22T17:40:17.638561Z","id":"CVE-2026-54279","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":"2026-06-22T17:40:23.923Z"}}]}}