CVE-2026-59561
OS command injection in Sakura Editor via crafted directory and 'Open Terminal'.
Is CVE-2026-59561 being exploited?
Not confirmed. CVE-2026-59561 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 0.74% probability of exploitation in the next 30 days.
How severe is CVE-2026-59561?
CVE-2026-59561 is rated High with a CVSS score of 8.4. 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-2026-59561?
Yes. A fix has been recorded for CVE-2026-59561. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-59561 affect?
CVE-2026-59561 affects Sakura Editor (Windows desktop text editor), Windows PCs running Sakura Editor. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-59561?
Apply vendor patch when available; block or avoid using 'Open Terminal' on untrusted directories.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Arbitrary OS command execution on a user's workstation when 'Open Terminal' is invoked in a crafted directory.
Immediate action required
- affected< 2.4.3
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.