CVE-2026-27991
PHP Local File Inclusion in ThemeREX Avventure <=1.1.12
Is CVE-2026-27991 being exploited?
Not confirmed. CVE-2026-27991 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-2026-27991?
CVE-2026-27991 is rated Low with a CVSS score of 3.1. 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-2026-27991?
Not known from our data. No patch reference has been recorded for CVE-2026-27991, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-27991 affect?
CVE-2026-27991 affects ThemeREX Avventure <= 1.1.12. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-27991?
Update to fixed version when available; validate includes; restrict include paths.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
LFI via filename control may allow reading local PHP files and could lead to code execution with crafted payload.
Patch when possible
- affected<= 1.1.12
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.