CVE-2026-69118: Cachet 2.4.1 Authenticated Server-Side Template Injection RCE

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-10 · updated 2026-10-24
Weakness: CWE-863

Description

Cachet through 2.4.1 contains a server-side template injection vulnerability in incident template rendering that allows authenticated users to execute arbitrary PHP code. Attackers can create malicious incident templates with Blade directives or Twig filters that execute system commands when incidents are created, achieving remote code execution as the web server process.

Affected products

cachethq cachet: through 2.4.1

References

https://github.com/cachethq/cachet/issues/4621
https://www.vulncheck.com/advisories/cachet-authenticated-server-side-template-injection-rce

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