CVE-2026-75574
HIGHDescription
The Grav Email plugin (getgrav/grav-plugin-email) before 4.2.2 renders page-editor-controlled Email action parameters as unsandboxed Twig templates. An authenticated remote user with only api.access and api.pages.write permissions can place a Twig expression in header.form.process.email.body, publish the page, and submit the form to execute an arbitrary operating-system command as the account running PHP.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Low risk: more likely to be exploited than 30% of all known CVEs.
References
Related Vulnerabilities
Other CWE-1336 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2024-4040 | Critical | 9.8 | 100% | KEV | Fix |
| CVE-2024-23692 | Critical | 9.8 | 99% | KEV + Ransom | - |
| CVE-2025-47916 | Critical | 10.0 | 84% | - | Fix |
| CVE-2024-32651 | Critical | 10.0 | 84% | - | Fix |
| CVE-2025-34300 | Critical | 10.0 | 79% | - | - |
| CVE-2022-25813 | High | 7.5 | 67% | - | Fix |
Common questions
How do I fix CVE-2026-75574?
No published fix for CVE-2026-75574 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2026-75574 being actively exploited?
Not that we know of. CVE-2026-75574 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.36% is the estimated probability that it will be exploited in the next 30 days. That is higher than 30% of all scored CVEs.
How severe is CVE-2026-75574?
CVE-2026-75574 has a CVSS v3 base score of 8.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-08-31.