CVE-2026-69118
Authenticated server‑side template injection in Cachet allows RCE via malicious incident templates
Is CVE-2026-69118 being exploited?
Not confirmed. CVE-2026-69118 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.55% probability of exploitation in the next 30 days.
How severe is CVE-2026-69118?
CVE-2026-69118 is rated High with a CVSS score of 8.7. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-69118?
Yes. A fix has been recorded for CVE-2026-69118. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-69118 affect?
CVE-2026-69118 affects Cachet <= 2.4.1, Self‑hosted Cachet status pages. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-69118?
Upgrade Cachet to a patched release, restrict template creation, remove untrusted templates
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated attackers can execute arbitrary PHP/system commands as the web‑server process, enabling remote code execution and host compromise.
Immediate action required
- affected<= 2.4.1
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.