{"id":"CVE-2026-26061","state":"PUBLISHED","title":"Fleet's unbounded request body read allows remote Denial of Service","description":"Fleet is open source device management software. Prior to 4.81.0, Fleet contained multiple unauthenticated HTTP endpoints that read request bodies without enforcing a size limit. An unauthenticated attacker could exploit this behavior by sending large or repeated HTTP payloads, causing excessive memory allocation and resulting in a denial-of-service (DoS) condition. Version 4.81.0 patches the issue.","publishedAt":"2026-03-27T18:23:49.791Z","updatedAt":"2026-03-31T13:38:29.843Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["fleetdm fleet"],"affected":[{"vendor":"fleetdm","product":"fleet","versions":[{"version":"< 4.81.0","status":"affected"}]}],"references":["https://github.com/fleetdm/fleet/security/advisories/GHSA-99hj-44vg-hfcp"],"weaknesses":["CWE-770"],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/26xxx/CVE-2026-26061.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-26061","state":"PUBLISHED","datePublished":"2026-03-27T18:23:49.791Z","dateUpdated":"2026-03-31T13:38:29.843Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-02-10T18:01:31.900Z"},"containers":{"cna":{"title":"Fleet's unbounded request body read allows remote Denial of Service","descriptions":[{"lang":"en","value":"Fleet is open source device management software. Prior to 4.81.0, Fleet contained multiple unauthenticated HTTP endpoints that read request bodies without enforcing a size limit. An unauthenticated attacker could exploit this behavior by sending large or repeated HTTP payloads, causing excessive memory allocation and resulting in a denial-of-service (DoS) condition. Version 4.81.0 patches the issue."}],"affected":[{"vendor":"fleetdm","product":"fleet","versions":[{"version":"< 4.81.0","status":"affected"}]}],"references":[{"url":"https://github.com/fleetdm/fleet/security/advisories/GHSA-99hj-44vg-hfcp","name":"https://github.com/fleetdm/fleet/security/advisories/GHSA-99hj-44vg-hfcp","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-770","lang":"en","description":"CWE-770: Allocation of Resources Without Limits or Throttling","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-03-27T18:23:49.791Z"},"source":{"advisory":"GHSA-99hj-44vg-hfcp","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-31T13:37:58.712484Z","id":"CVE-2026-26061","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-31T13:38:29.843Z"}}]}}}