CVE-2026-67294
FreeRDP client accepts clientAuth-only certs as valid server certs (TLS EKU bypass).
Is CVE-2026-67294 being exploited?
Not confirmed. CVE-2026-67294 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 0.27% probability of exploitation in the next 30 days.
How severe is CVE-2026-67294?
CVE-2026-67294 is rated Critical with a CVSS score of 9.3. 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-2026-67294?
Yes. A fix has been recorded for CVE-2026-67294. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-67294 affect?
CVE-2026-67294 affects FreeRDP < 3.29.0, xfreerdp, Remmina, Applications linking FreeRDP. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-67294?
Upgrade FreeRDP to >=3.29.0, verify EKU TLS checks, rotate certs if suspected.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
TLS auth bypass: attacker or malicious server can present clientAuth-only cert signed by trusted CA to impersonate RDP server, enabling MitM and credential/data interception.
Immediate action required
- affected< 3.29.0
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.