CVE-2026-37281
OS command injection in Zenshin Express route allows remote command execution via URL parameter.
Is CVE-2026-37281 being exploited?
Not confirmed. CVE-2026-37281 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 1.6% probability of exploitation in the next 30 days.
How severe is CVE-2026-37281?
CVE-2026-37281 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-2026-37281?
Yes. A fix has been recorded for CVE-2026-37281. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-37281 affect?
CVE-2026-37281 affects hitarth-gg Zenshin <= 2.6.x. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-37281?
Patch to 2.7.0+ immediately
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote attacker can execute arbitrary commands on the server via the url parameter.
Patch when possible