{"schema":"threatline.record/2","record":{"id":"CVE-2026-111924","aliases":["GHSA-3982-g48v-9rwh"],"summary":"Fleet before 4.83.0 Denial of Service via Unbounded Gzip Decompression","details":"Fleet before 4.83.0 contains a denial of service vulnerability that allows unauthenticated attackers to exhaust server memory by sending gzip-compressed request bodies. Attackers can send small, highly compressed requests with Content-Encoding: gzip to unauthenticated endpoints that expand during decoding, crashing the entire Fleet instance.","categories":["Unclassified"],"product":"fleet","vendor":"fleetdm","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-111924","source_modified_at":"2026-10-19T21:35:14.859Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"fleet","vendor":"fleetdm","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"4.83.0"},{"version":"4.83.0","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-111924","source_modified_at":"2026-10-19T21:35:14.859Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"fleet","ecosystem":null},"version":"4.83.0","basis":"first unaffected version stated in the CVE record"}],"cvss":8.7,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00359,"percentile":0.28449,"score_date":"2026-10-23"},"published_at":"2026-10-17T18:46:37.369Z","modified_at":"2026-10-19T21:35:14.859Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-111924","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T21:35:14.859Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-111924","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/fleetdm/fleet/security/advisories/GHSA-3982-g48v-9rwh","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/fleet-before-4.83.0-denial-of-service-via-unbounded-gzip-decompression","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"partial","assessed_at":"2026-10-19T21:35:00.650703Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-19T21:35:14.859Z","content_hash":"336fba7fbe57696771a5c0d927bf5d9d5f31a8f340f2a39061eb8b81b672e8de"}}