{"id":"EUVD-2026-95818","revision":null,"records":[{"revision":"15c972447d744eba8986c3a9ddd719d7","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-107805","aliases":[],"title":"Nginx UI: Unauthenticated signed-request body staging can exhaust temporary storage","description":"Nginx UI is a web user interface for the Nginx web server. From 2.5.0 until 2.6.0, the node-signature authentication path performs temporary file staging of an attacker-controlled request body and synchronizes it before validating the body digest and cryptographic signature. An unauthenticated remote client that can reach the API and provide syntactically valid signature metadata can consume temporary filesystem capacity, disk input and output, and request-processing resources before rejection. The issue affects availability and does not bypass authentication or provide confidentiality or integrity impact. This issue is fixed in version 2.6.0.","state":0,"publishedAt":"2026-10-09T14:50:58.011+00:00","modifiedAt":"2026-10-13T16:52:07.738+00:00","affected":[{"ecosystem":"Vendor product","name":"nginx-ui","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"0xJacky\",\n                    \"product\": \"nginx-ui\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 2.5.0, < 2.6.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-j3hg-9rp3-5hw9","https://github.com/0xJacky/nginx-ui/commit/8c9b9a1aff218ee6c980d047b750e49da3c46796","https://github.com/0xJacky/nginx-ui/releases/tag/v2.6.0"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-107805","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-107805","identifiers":["CVE-2026-107805"]},"retained":false,"historicalAffected":[]},{"revision":"e89f06a9afeb439b8aab8df9c0d6bd9d","observedAt":"2026-11-07T04:31:34.913+00:00","statement":{"source":"euvd","id":"EUVD-2026-95818","aliases":["CVE-2026-107805","GHSA-j3hg-9rp3-5hw9"],"title":"Nginx UI is a web user interface for the Nginx web server. 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This issue is fixed in version 2.6.0.","state":0,"publishedAt":"2026-10-09T15:17:09.96+00:00","modifiedAt":"2026-10-20T20:50:20.41+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/0xJacky/nginx-ui/commit/8c9b9a1aff218ee6c980d047b750e49da3c46796","https://github.com/0xJacky/nginx-ui/releases/tag/v2.6.0","https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-j3hg-9rp3-5hw9"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-107805","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-400"],"productCriteria":["cpe:2.3:a:nginxui:nginx_ui:*:*:*:*:*:*:*:*"],"sourceDates":{"published":"2026-10-09T15:17:09.960","lastModified":"2026-10-20T20:50:20.410"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-107805","identifiers":["CVE-2026-107805"]},"retained":false,"historicalAffected":[]},{"revision":"ea3e196a6abd401fbd86a451e53a1950","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GHSA-j3hg-9rp3-5hw9","aliases":["CVE-2026-107805","GO-2026-6734"],"title":"Nginx UI: Unauthenticated signed-request body staging can exhaust temporary storage","description":"## Summary\n\nIn Nginx UI versions 2.5.0 through 2.5.x, the node-signature authentication path staged an attacker-controlled request body in a temporary file and synchronized it to disk before validating the body digest and cryptographic signature. An unauthenticated remote client that can reach the API can provide syntactically valid signature metadata and cause storage and I/O consumption before the request is rejected.\n\n## Impact\n\nConcurrent malicious requests can consume temporary filesystem capacity, disk I/O, and request-processing resources, potentially disrupting Nginx UI and other services that share the filesystem. The issue affects availability only; it does not bypass authentication and does not provide confidentiality or integrity impact. Deployment-specific reverse-proxy body limits, filesystem quotas, and concurrency limits may reduce practical impact.\n\n## Remediation\n\nUpgrade to Nginx UI 2.6.0 or later. The fix authenticates signed request metadata before staging the body and enforces an application-level streaming size limit with cleanup for rejected requests.\n\nFix commit: https://github.com/0xJacky/nginx-ui/commit/8c9b9a1aff218ee6c980d047b750e49da3c46796","state":0,"publishedAt":"2026-10-09T20:57:08+00:00","modifiedAt":"2026-10-19T21:40:58.9197812+00:00","affected":[{"ecosystem":"Go","name":"github.com/0xJacky/Nginx-UI","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"1.9.10-0.20260729084040-acb59fdd81db"},{"kind":"fixed","version":"1.9.10-0.20260901043436-8c9b9a1aff21"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-j3hg-9rp3-5hw9","https://nvd.nist.gov/vuln/detail/CVE-2026-107805","https://github.com/0xJacky/nginx-ui/commit/8c9b9a1aff218ee6c980d047b750e49da3c46796","https://github.com/0xJacky/nginx-ui","https://github.com/0xJacky/nginx-ui/releases/tag/v2.6.0"],"sourceUrl":"https://github.com/advisories/GHSA-j3hg-9rp3-5hw9","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-j3hg-9rp3-5hw9","identifiers":["GHSA-j3hg-9rp3-5hw9","CVE-2026-107805","GO-2026-6734"]},"retained":false,"historicalAffected":[]},{"revision":"d59689617984491b95bcbe3c5ea9ecad","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GO-2026-6734","aliases":["CVE-2026-107805","GHSA-j3hg-9rp3-5hw9"],"title":"Nginx UI: Unauthenticated signed-request body staging can exhaust temporary storage in github.com/0xJacky/Nginx-UI","description":"Nginx UI: Unauthenticated signed-request body staging can exhaust temporary storage in github.com/0xJacky/Nginx-UI","state":0,"publishedAt":"2026-10-19T21:08:26+00:00","modifiedAt":"2026-10-19T21:31:52.8237154+00:00","affected":[{"ecosystem":"Go","name":"github.com/0xJacky/Nginx-UI","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"1.9.10-0.20260729084040-acb59fdd81db"},{"kind":"fixed","version":"1.9.10-0.20260901043436-8c9b9a1aff21"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-j3hg-9rp3-5hw9","https://nvd.nist.gov/vuln/detail/CVE-2026-107805","https://github.com/0xJacky/nginx-ui/commit/8c9b9a1aff218ee6c980d047b750e49da3c46796","https://github.com/0xJacky/nginx-ui/releases/tag/v2.6.0"],"sourceUrl":"https://osv.dev/vulnerability/GO-2026-6734","license":"OSV · upstream source license applies","key":"osv:GO-2026-6734","identifiers":["GO-2026-6734","CVE-2026-107805","GHSA-j3hg-9rp3-5hw9"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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