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4 vulnerabilities by cobbr
CVE-2026-92717 (GCVE-0-2026-92717)
Vulnerability from nvd – Published: 2026-09-16 17:31 – Updated: 2026-09-16 17:31
VLAI
EPSS
VEX
Title
Covenant through 0.6 Missing Authentication on the CovenantHub SignalR Hub
Summary
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.
Severity
9.1 (Critical)
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/cobbr/Covenant/issues/406 | issue-tracking |
| https://github.com/cobbr/Covenant | product |
| https://github.com/cobbr/Covenant/blob/v0.6/Coven… | technical-description |
| https://github.com/cobbr/Covenant/blob/v0.6/Coven… | technical-description |
| https://www.vulncheck.com/advisories/covenant-thr… | third-party-advisory |
Impacted products
Date Public
2026-06-21 00:00
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CVE-2020-36911 (GCVE-0-2020-36911)
Vulnerability from nvd – Published: 2026-01-13 22:51 – Updated: 2026-05-14 02:06
VLAI
EPSS
VEX
Title
Covenant 0.5 - Remote Code Execution (RCE)
Summary
Covenant 0.1.3 - 0.5 contains a remote code execution vulnerability that allows attackers to craft malicious JWT tokens with administrative privileges. Attackers can generate forged tokens with admin roles and upload custom DLL payloads to execute arbitrary commands on the target system.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-14 15:55 UTC
CWE
- CWE-798 - Use of Hard-coded Credentials
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/51141 | exploit |
| https://cobbr.io/Covenant.html | product |
| https://github.com/cobbr/Covenant | product |
| https://web.archive.org/web/20201101052547/https:… | technical-descriptionexploit |
| https://github.com/Zeop-CyberSec/covenant_rce/blo… | exploit |
| https://web.archive.org/web/20201013165001/https:… | vendor-advisorypatch |
| https://www.vulncheck.com/advisories/covenant-rem… | third-party-advisory |
Impacted products
Date Public
2022-09-11 00:00
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CVE-2026-92717 (GCVE-0-2026-92717)
Vulnerability from cvelistv5 – Published: 2026-09-16 17:31 – Updated: 2026-09-16 17:31
VLAI
EPSS
VEX
Title
Covenant through 0.6 Missing Authentication on the CovenantHub SignalR Hub
Summary
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.
Severity
9.1 (Critical)
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/cobbr/Covenant/issues/406 | issue-tracking |
| https://github.com/cobbr/Covenant | product |
| https://github.com/cobbr/Covenant/blob/v0.6/Coven… | technical-description |
| https://github.com/cobbr/Covenant/blob/v0.6/Coven… | technical-description |
| https://www.vulncheck.com/advisories/covenant-thr… | third-party-advisory |
Impacted products
Date Public
2026-06-21 00:00
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CVE-2020-36911 (GCVE-0-2020-36911)
Vulnerability from cvelistv5 – Published: 2026-01-13 22:51 – Updated: 2026-05-14 02:06
VLAI
EPSS
VEX
Title
Covenant 0.5 - Remote Code Execution (RCE)
Summary
Covenant 0.1.3 - 0.5 contains a remote code execution vulnerability that allows attackers to craft malicious JWT tokens with administrative privileges. Attackers can generate forged tokens with admin roles and upload custom DLL payloads to execute arbitrary commands on the target system.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-14 15:55 UTC
CWE
- CWE-798 - Use of Hard-coded Credentials
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/51141 | exploit |
| https://cobbr.io/Covenant.html | product |
| https://github.com/cobbr/Covenant | product |
| https://web.archive.org/web/20201101052547/https:… | technical-descriptionexploit |
| https://github.com/Zeop-CyberSec/covenant_rce/blo… | exploit |
| https://web.archive.org/web/20201013165001/https:… | vendor-advisorypatch |
| https://www.vulncheck.com/advisories/covenant-rem… | third-party-advisory |
Impacted products
Date Public
2022-09-11 00:00
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