CVE-2026-75829
Authenticated Server-Side Template Injection in grav-plugin-api (<1.0.15).
Is CVE-2026-75829 being exploited?
Not confirmed. CVE-2026-75829 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 0.29% probability of exploitation in the next 30 days.
How severe is CVE-2026-75829?
CVE-2026-75829 is rated High with a CVSS score of 8.6. 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-2026-75829?
Yes. A fix has been recorded for CVE-2026-75829. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-75829 affect?
CVE-2026-75829 affects grav-plugin-api < 1.0.15, Grav CMS sites with process.twig enabled, Sites granting api.pages.write permission. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-75829?
Update to grav-plugin-api >=1.0.15; revoke unnecessary api.pages.write; disable process.twig.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated attacker with api.pages.write can inject Twig templates leading to server-side template injection and potential RCE at render time.
Immediate action required
- affected< 1.0.15
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.