Remote Code Execution Vulnerability in Covenant by Cobbr
CVE-2020-36911

9.3CRITICAL

Key Information:

Vendor

Cobbr

Status
Covenant
Vendor
CVE Published:
13 January 2026

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 12%

What is CVE-2020-36911?

Covenant versions 0.1.3 through 0.5 are susceptible to a remote code execution vulnerability that enables attackers to create malicious JWT tokens with elevated administrative privileges. By exploiting this flaw, an attacker could forge tokens with admin roles and upload harmful DLLs, executing arbitrary commands on the compromised system. This serious flaw highlights the necessity for organizations using Covenant to apply stringent security measures and keep their software updated to mitigate potential risks. For more information on the exploit, refer to the recommendations from the vendor and the advisories available.

Affected Version(s)

Covenant 0.1.3 <= 0.5

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-36911 - Proof of Concept

CVE-2020-36911 - Proof of Concept

CVE-2020-36911 - Proof of Concept

References

https://www.exploit-db.com/exploits/51141
exploit
https://cobbr.io/Covenant.html
product
https://github.com/cobbr/Covenant
product

EPSS Score

12% chance of being exploited in the next 30 days.

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

coastal
.