CVE-2026-27441
RCE via improper PDF password handling in SEPPmail gateway (pre-15.0.1).
Is CVE-2026-27441 being exploited?
Not confirmed. CVE-2026-27441 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 0.31% probability of exploitation in the next 30 days.
How severe is CVE-2026-27441?
CVE-2026-27441 is rated Critical with a CVSS score of 9.5. 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-2026-27441?
Yes. A fix has been recorded for CVE-2026-27441. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-27441 affect?
CVE-2026-27441 affects SEPPmail Secure Email Gateway (pre-15.0.1). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-27441?
Upgrade to 15.0.1 or later; apply vendor patch.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
OS command execution on the gateway via crafted PDF password handling; attacker could run commands with gateway privileges.
Immediate action required
- affected< 15.0.1
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.