What is CVE-2026-75829?

CVE-2026-75829 is a high-severity vulnerability in Getgrav Grav, classified under Improper Neutralization of Special Elements Used in a Template Engine. CVSS score: 8.1/10. Published 2026-08-18.

How severe is CVE-2026-75829?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Getgrav Grav

CVE-2026-75829

grav-plugin-api versions before 1.0.15 fail to validate Twig content in the translate() endpoint, allowing attackers with api.pages.write permission to persist pages with process.twig enabled. Attackers can submit crafted header and content parameters to execute server-side template injection payloads that are evaluated at render time.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Getgrav Grav

Weakness classification (CWE)

CWE-1336 — Improper Neutralization of Special Elements Used in a Template Engine

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-75829?: CVE-2026-75829 is a high-severity vulnerability in Getgrav Grav, classified under Improper Neutralization of Special Elements Used in a Template Engine. CVSS score: 8.1/10. Published 2026-08-18.
How severe is CVE-2026-75829?: High severity. CVSS v3 base score is 8.1 out of 10.