MariaDB is a widely used database server; this RCE/file-access bug (CVSS 9.9) can lead to data loss, exfiltration or full compromise across many deployments and requires org-wide attention.
CVE-2026-92262
MariaDB #mysql50# filename-encoding bypass enables file access and remote code execution.
Is CVE-2026-92262 being exploited?
Not confirmed. CVE-2026-92262 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.
How severe is CVE-2026-92262?
CVE-2026-92262 is rated Critical with a CVSS score of 9.9. 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-2026-92262?
Yes. A fix has been recorded for CVE-2026-92262. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-92262 affect?
CVE-2026-92262 affects MariaDB 10.6.1–10.6.27, MariaDB 10.11.0–10.11.18, MariaDB 11.4.0–11.4.12, MariaDB 11.8.0–11.8.8, and 2 further products or versions. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-92262?
Upgrade to fixed MariaDB releases immediately; restrict DB network access until patched.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attackers can use #mysql50# table names to bypass filename encoding to read files, corrupt data, crash the server, exfiltrate data, or achieve remote code execution.
Immediate action required
- affected>= 10.6.1 and < 10.6.28
- affected>= 10.11.1 and < 10.11.19
- affected>= 11.4.1 and < 11.4.13
- affected>= 11.8.1 and < 11.8.9
- affected>= 12.3.1 and < 12.3.3
- affected>= 13.0.1 and < 13.0.2
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.