CVE-2026-92717 Details
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.
A vulnerability exists in Covenant versions through 0.6, where the SignalR hub 'CovenantHub' is registered without an 'Authorize' attribute. This oversight allows unauthenticated users to invoke the 'CreateHttpListener' method, which generates a signed JWT token. The token can be used to authenticate against the operator API, granting access to sensitive data such as active grunts (implants), credentials, binaries, events, and the operator roster.
The vulnerability can be fixed by adding an 'Authorize' attribute to the 'CovenantHub' SignalR hub.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 16, 2026CISA-ADP
Assessed Sep 21, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/cobbr/Covenant/issues/406 | CISA-ADP | ExploitIssue TrackingTechnical DescriptionVendor |
| https://github.com/cobbr/Covenant | [email protected] | ProductSource CodeVendor |
| https://github.com/cobbr/Covenant/blob/v0.6/Covenant/Core/CovenantService.cs#L3958-L3975 | [email protected] | Source CodeVendor |
| https://github.com/cobbr/Covenant/blob/v0.6/Covenant/Hubs/CovenantHub.cs#L28-L33 | [email protected] | Source CodeVendor |
| https://github.com/cobbr/Covenant/issues/406 | [email protected] | ExploitIssue TrackingTechnical DescriptionVendor |
| https://www.vulncheck.com/advisories/covenant-through-0.6-missing-authentication-on-the-covenanthub-signalr-hub | [email protected] | AdvisoryBundleRemedy |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-306 | Missing Authentication for Critical Function | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Covenant | <= 0.6 |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 21, 2026 | CVE Modified | CISA-ADP |
| Sep 16, 2026 | New CVE Received | [email protected] |