CVE-2026-62234
Authenticated users can craft webhooks to read local files and access internal services.
Is CVE-2026-62234 being exploited?
Not confirmed. CVE-2026-62234 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 0.40% probability of exploitation in the next 30 days.
How severe is CVE-2026-62234?
CVE-2026-62234 is rated High with a CVSS score of 8.4. 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-2026-62234?
Yes. A fix has been recorded for CVE-2026-62234. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-62234 affect?
CVE-2026-62234 affects Grav CMS <= 2.0.3, Websites using Grav webhook dispatch. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-62234?
Upgrade Grav to 2.0.4+; disable webhooks or block unsafe protocols until patched.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated api.webhooks.write users can create webhooks with file://, dict://, gopher:// to read local files, expose process info, or SSRF to internal services.
Patch when possible
- affected< 2.0.4
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.