{"id":"CVE-2026-92717","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-92717","generatedAt":"2026-09-20T13:19:31.655Z","title":"Covenant through 0.6 registers the CovenantHub SignalR hub without an Authorize attribute, allowing unauthenticated callers to invoke CreateHttpListener and receive a signed JWT token.","description":"Covenant through 0.6 registers the CovenantHub SignalR hub without an Authorize attribute, allowing unauthenticated callers to invoke CreateHttpListener and receive a signed JWT token. Attackers can use the obtained token to authenticate against the entire operator API and access grunts, credentials, binaries, events, and the operator roster.","published":"2026-09-16T18:17:23.000Z","lastModified":"2026-09-16T18:17:23.000Z","status":"Received","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":9.3,"severity":"CRITICAL","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-306"],"affected":[],"epss":{"score":0.00362,"percentile":0.29971,"date":"2026-09-19","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/cobbr/Covenant","source":"disclosure@vulncheck.com"},{"url":"https://github.com/cobbr/Covenant/blob/v0.6/Covenant/Core/CovenantService.cs#L3958-L3975","source":"disclosure@vulncheck.com"},{"url":"https://github.com/cobbr/Covenant/blob/v0.6/Covenant/Hubs/CovenantHub.cs#L28-L33","source":"disclosure@vulncheck.com"},{"url":"https://github.com/cobbr/Covenant/issues/406","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/covenant-through-0.6-missing-authentication-on-the-covenanthub-signalr-hub","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-92717","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}