CVE-2026-62673
Grav .htaccess case-sensitivity bug allows unauthenticated disclosure of user/config files.
Is CVE-2026-62673 being exploited?
Not confirmed. CVE-2026-62673 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 0.50% probability of exploitation in the next 30 days.
How severe is CVE-2026-62673?
CVE-2026-62673 is rated High. 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-2026-62673?
Yes. A fix has been recorded for CVE-2026-62673. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-62673 affect?
CVE-2026-62673 affects Grav CMS < 2.0.4, .htaccess, webserver-configs/htaccess.txt. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-62673?
Upgrade Grav to >= 2.0.4 or apply .htaccess NC flag fix; restrict access to user/ folders.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attacker can bypass .htaccess rules on case-insensitive filesystems to download user/accounts and user/config (including password hashes and security settings).
Immediate action required
- 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.