{"id":"CVE-2026-38361","state":"PUBLISHED","title":"Multiple unauthenticated denial-of-service (DoS) issues in fohrloop dash-uploader v0.1.0 through v0.7.0a2. The chunked-upload handler (dash_uploader/httprequesthandler.py, dash_upl","description":"Multiple unauthenticated denial-of-service (DoS) issues in fohrloop dash-uploader v0.1.0 through v0.7.0a2. The chunked-upload handler (dash_uploader/httprequesthandler.py, dash_uploader/upload.py) trusts unsanitized, attacker-controlled upload parameters (e.g. flowTotalChunks) and does not enforce the documented max_file_size limit, allowing a remote, unauthenticated attacker to cause an out-of-memory (OOM) process crash (unbounded range(1, flowTotalChunks + 1) allocation), truncation of the target file to zero bytes (flowTotalChunks=0, where the all([]) == True quirk runs the file-assembly branch on zero chunks), permanent disk exhaustion (never-cleaned-up temporary directories per flowIdentifier), and a complete bypass of the documented max_file_size limit.","publishedAt":"2026-05-08T00:00:00.000Z","updatedAt":"2026-06-10T15:28:24.174Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://github.com/fohrloop/dash-uploader","https://pypi.org/project/dash-uploader/","https://github.com/fohrloop/dash-uploader/blob/stable/dash_uploader/httprequesthandler.py","https://github.com/fohrloop/dash-uploader/issues/153","https://pypistats.org/packages/dash-uploader","https://libraries.io/pypi/dash-uploader","https://pepy.tech/project/dash-uploader","https://docs.python.org/3/library/functions.html#all","https://github.com/a1ohadance/CVE-2026-38361","https://github.com/github/advisory-database/pull/7636","https://github.com/advisories/GHSA-xp7f-v245-w3w8"],"weaknesses":["CWE-400","CWE-670"],"ingestedAt":"2026-10-29T20:11:50.837Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/38xxx/CVE-2026-38361.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-38361","state":"PUBLISHED","datePublished":"2026-05-08T00:00:00.000Z","dateUpdated":"2026-06-10T15:28:24.174Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2026-04-06T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Multiple unauthenticated denial-of-service (DoS) issues in fohrloop dash-uploader v0.1.0 through v0.7.0a2. The chunked-upload handler (dash_uploader/httprequesthandler.py, dash_uploader/upload.py) trusts unsanitized, attacker-controlled upload parameters (e.g. flowTotalChunks) and does not enforce the documented max_file_size limit, allowing a remote, unauthenticated attacker to cause an out-of-memory (OOM) process crash (unbounded range(1, flowTotalChunks + 1) allocation), truncation of the target file to zero bytes (flowTotalChunks=0, where the all([]) == True quirk runs the file-assembly branch on zero chunks), permanent disk exhaustion (never-cleaned-up temporary directories per flowIdentifier), and a complete bypass of the documented max_file_size limit."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://github.com/fohrloop/dash-uploader"},{"url":"https://pypi.org/project/dash-uploader/"},{"url":"https://github.com/fohrloop/dash-uploader/blob/stable/dash_uploader/httprequesthandler.py"},{"url":"https://github.com/fohrloop/dash-uploader/issues/153"},{"url":"https://pypistats.org/packages/dash-uploader"},{"url":"https://libraries.io/pypi/dash-uploader"},{"url":"https://pepy.tech/project/dash-uploader"},{"url":"https://docs.python.org/3/library/functions.html#all"},{"url":"https://github.com/a1ohadance/CVE-2026-38361"},{"url":"https://github.com/github/advisory-database/pull/7636"},{"url":"https://github.com/advisories/GHSA-xp7f-v245-w3w8"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2026-06-10T15:28:24.174Z"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/a1ohadance/CVE-2026-38361","tags":["exploit"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-05-08T18:26:42.915846Z","id":"CVE-2026-38361","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","type":"CWE","lang":"en","description":"CWE-400 Uncontrolled Resource Consumption"}]},{"descriptions":[{"cweId":"CWE-670","type":"CWE","lang":"en","description":"CWE-670 Always-Incorrect Control Flow Implementation"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-08T18:27:31.102Z"}}]}}}