CVE-2026-45288
SQL injection in Marten full-text search via regConfig before 8.36.1
Is CVE-2026-45288 being exploited?
Not confirmed. CVE-2026-45288 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 0.38% probability of exploitation in the next 30 days.
How severe is CVE-2026-45288?
CVE-2026-45288 is rated Critical with a CVSS score of 9.8. 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-2026-45288?
Yes. A fix has been recorded for CVE-2026-45288. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-45288 affect?
CVE-2026-45288 affects Marten (.NET) <= 8.36.0 with PostgreSQL. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-45288?
Upgrade to 8.36.1+; verify regConfig handling.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Allows untrusted regConfig input to alter/execute SQL via Marten's FTS, risking data theft, modification, or DB compromise.
Immediate action required
- affected< 8.36.1
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.