Server-Side Template Injection Vulnerability in Cachet by Cachet HQ
CVE-2026-69118
8.7HIGH
Key Information:
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2026-69118?
Cachet versions up to 2.4.1 are vulnerable to server-side template injection, allowing authenticated users to exploit incident templates. By crafting malicious incident templates using Blade directives or Twig filters, attackers can execute arbitrary PHP code and potentially gain control of the web server process, leading to remote code execution.
Affected Version(s)
cachet 0 <= 2.4.1
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.
References
CVSS V4
Score:
8.7
Severity:
HIGH
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
George Chen