CVE-2026-28806
Improper authorization in nerves_hub_web allows cross-organization device control.
Is CVE-2026-28806 being exploited?
Not confirmed. CVE-2026-28806 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 0.41% probability of exploitation in the next 30 days.
How severe is CVE-2026-28806?
CVE-2026-28806 is rated Critical with a CVSS score of 9.4. 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-2026-28806?
Yes. A fix has been recorded for CVE-2026-28806. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-28806 affect?
CVE-2026-28806 affects nerves_hub_web (1.0.0 - 2.3.x). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-28806?
Upgrade to 2.4.0+; review authorization checks and rotate credentials.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Cross-organization device control via API; attackers can move devices, edit firmware, or leverage remote console for full compromise.
Immediate action required
- affected>= 1.0.0 and < 2.4.0
- affected>= adaeefdb7a835525482588f43332ef988cc448c7 and < 1f69c9d595684a4650c3ac702f3dc7c5bcd7526c
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.