CVE-2026-31985
n2os-tui disables TLS verification for Remote Collector connections, enabling MitM and token theft.
Is CVE-2026-31985 being exploited?
Not confirmed. CVE-2026-31985 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 0.20% probability of exploitation in the next 30 days.
How severe is CVE-2026-31985?
CVE-2026-31985 is rated High with a CVSS score of 8.3. 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-2026-31985?
Not known from our data. No patch reference has been recorded for CVE-2026-31985, 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-2026-31985 affect?
CVE-2026-31985 affects n2os-tui, Remote Collector, Guardian, CMC. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-31985?
Stop using n2os-tui configs; enforce TLS verification, restrict collector access, and rotate sync tokens.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Enables MitM of Remote Collector↔Guardian/CMC, theft of sync tokens, server impersonation, spoofed data injection, and data-flow disruption.
Immediate action required
- affected< 26.2.0
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.