RCE in a widely used SaaS (RD Station) could disrupt many organizations and data.
CVE-2026-49774
Code injection enables Remote Code Inclusion in RD Station up to v5.6.0.
Is CVE-2026-49774 being exploited?
Not confirmed. CVE-2026-49774 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 0.28% probability of exploitation in the next 30 days.
How severe is CVE-2026-49774?
CVE-2026-49774 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-2026-49774?
Not known from our data. No patch reference has been recorded for CVE-2026-49774, 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-2026-49774 affect?
CVE-2026-49774 affects RD Station (up to v5.6.0). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-49774?
Patch when available; enforce input validation; monitor for RCE indicators
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote attacker can execute arbitrary code on RD Station server via crafted input, risking tenant data and service integrity.
Patch when possible
- affected<= 5.6.0
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.