CVE-2020-36911CWE-798

Covenant 0.5 - Remote Code Execution (RCE)

Critical · published January 13, 2026

CVSS v4.0
9.3
EPSS
12%
Percentile
96.2
In the wild
Unconfirmed
What it is

🔥 Crafting malicious JWT tokens is all it takes to unleash chaos! This critical vulnerability in Covenant versions 0.1.3 - 0.5 lets attackers elevate their privileges and execute arbitrary commands. ⚡ Think of it like a sneaky impersonator who not only forges VIP passes but also knows how to slip into the back office of a concert venue. With these forged tokens, attackers can waltz right in and take control without anyone batting an eyelash! The consequences are absolutely devastating. An attacker could upload malicious DLLs and run any command on your system, effectively turning their target into a puppet. Imagine losing control of vital data and systems — that's a nightmare scenario!

Put simply

Think of it like a sneaky impersonator who not only forges VIP passes but also knows how to slip into the back office of a concert venue. With these forged tokens, attackers can waltz right in and take control without anyone batting an eyelash! This remote code execution vulnerability allows attackers to craft forged JWT tokens with administrative privileges, enabling them to execute arbitrary commands on the server by uploading custom DLL payloads.

What to do

The consequences are absolutely devastating. An attacker could upload malicious DLLs and run any command on your system, effectively turning their target into a puppet. Imagine losing control of vital data and systems — that's a nightmare scenario! Immediately update Covenant to at least version 0.5.1, where this vulnerability has been patched. Audit your JWT handling and ensure proper validation to prevent forged tokens from being accepted. You've got this! Secure your systems and patch up that vulnerability — your security hero status is activated! 🛡️

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.12334 · 96.2th percentile
Weakness
CWE-798 · Use of Hard-coded Credentials
Published
2026-01-13T22:51Z
EPSS history
Timeline
  • 13 JAN 22:51Z
    Covenant 0.5 - Remote Code Execution (RCE)
    cvelistv5