Public vulnerability disclosure

CVE-2026-69118

Cachet 2.4.1 Authenticated Server-Side Template Injection RCE

publishedCWE-1336CWE-863

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.

Technical severity8.7 highCVSS 4.0 · CNA: VulnCheck
Published2026-08-10Source updated 2026-11-08
Collected2026-11-082 attributed sources

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
cachet
cachethq
cachethq/cachet
composer
≥ 0; ≤ 2.4.1 (affected, semver)
Other versions: unknown
CNA: VulnCheck

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
4.0 / 8.7
high
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NCNA: VulnCheck
3.1 / 8.8
high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCNA: VulnCheck

Exploit evidence

References

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