{"schema":"threatline.record/2","record":{"id":"CVE-2026-111748","aliases":["GHSA-f9xw-jh8m-3mwq"],"summary":"AIOHTTP: Absolute-form request targets can spoof Request.scheme","details":"### Summary\n\nAn attacker sending an absolute-form request can spoof the scheme used.\n\n### Impact\n\nIf user code depends on the `Request.scheme` attribute for anything security related, an attacker may be able to circumvent this logic, tricking the application into thinking a connection is encrypted when it is not, or vice versa.\n\n### Workaround\n\nA WAF rule to reject absolute-form requests (legitimate requests should only use this form for proxies).","categories":["Libraries & packages"],"product":"aiohttp","vendor":"aio-libs","ecosystem":"pip","affected_ranges":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-f9xw-jh8m-3mwq","source_modified_at":"2026-10-20T20:01:41Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"pip","name":"aiohttp"},"range":"<= 3.14.3"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-111748","source_modified_at":"2026-10-19T18:22:09.618Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"aiohttp","vendor":"aio-libs","versions":[{"status":"affected","version":"< 3.14.4"}],"defaultStatus":null},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-f9xw-jh8m-3mwq","source_modified_at":"2026-10-20T20:15:05.218624757Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"aiohttp","ecosystem":"PyPI","purl":"pkg:pypi/aiohttp"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.14.4"}]}],"versions":["0.1","0.10.0","0.10.1","0.10.2","0.11.0","0.12.0","0.13.0","0.13.1","0.14.0","0.14.1","0.14.2","0.14.3","0.14.4","0.15.0","0.15.1","0.15.2","0.15.3","0.16.0","0.16.1","0.16.2","0.16.3","0.16.4","0.16.5","0.16.6","0.17.0","0.17.1","0.17.2","0.17.3","0.17.4","0.18.0","0.18.1","0.18.2","0.18.3","0.18.4","0.19.0","0.2","0.20.0","0.20.1","0.20.2","0.21.0","0.21.1","0.21.2","0.21.4","0.21.5","0.21.6","0.22.0","0.22.0a0","0.22.0b0","0.22.0b1","0.22.0b2"]}],"fixed_versions":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-f9xw-jh8m-3mwq","source_modified_at":"2026-10-20T20:01:41Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"pip","name":"aiohttp"},"version":"3.14.4"},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-f9xw-jh8m-3mwq","source_modified_at":"2026-10-20T20:15:05.218624757Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"aiohttp","ecosystem":"PyPI","purl":"pkg:pypi/aiohttp"},"version":"3.14.4"}],"cvss":6.3,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00365,"percentile":0.29176,"score_date":"2026-10-23"},"published_at":"2026-10-19T17:02:21.289Z","modified_at":"2026-10-20T20:15:05.218624757Z","provenance":[{"source":"GitHub Advisory Database","url":"https://github.com/advisories/GHSA-f9xw-jh8m-3mwq","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-20T20:01:41Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-111748","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T18:22:09.618Z"},{"source":"OSV","url":"https://osv.dev/vulnerability/GHSA-f9xw-jh8m-3mwq","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-20T20:15:05.218624757Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-111748","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["GitHub Advisory Database","CVE List","OSV","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/aio-libs/aiohttp/security/advisories/GHSA-f9xw-jh8m-3mwq","tags":["x_refsource_CONFIRM"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111748","source":"GitHub Advisory Database"},{"source":"CVE List","url":"https://github.com/aio-libs/aiohttp/commit/6d4e7b01f9b951aa084a75d7356e907d4ee80411","tags":["x_refsource_MISC"]},{"source":"CVE List","url":"https://github.com/aio-libs/aiohttp/releases/tag/v3.14.4","tags":["x_refsource_MISC"]},{"url":"https://github.com/advisories/GHSA-f9xw-jh8m-3mwq","source":"GitHub Advisory Database"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-19T18:21:21.058096Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"ecosystem","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-20T20:15:05.218624757Z","content_hash":"39985467ffac53f3caaba435468fb7c6b72e75d291a6fec968cb410d6edd3711"}}