# Missing authorization in device and deployment group page events allows view-role members to change devices and deployment groups

CVE record · `CVE-2026-120286`

- **Identifiers:** `CVE-2026-120286`
- **State:** Confirmed
- **Severity:** CVSS 5.3 Medium
- **Critical:** No
- **CNA:** EEF
- **Weakness (CWE):** [CWE-862](https://cwe.mitre.org/data/definitions/862.html)
- **Tags:** [Broken access control](https://agentprime.io/advisories/tag/access-control.md)
- **Technologies:** [nerves-hub nerves_hub_web](https://agentprime.io/advisories/technology/nerves-hub-nerves-hub-web.md)
- **Published:** 10 Nov 2026
- **Updated:** 12 Nov 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: EEF) at 10 Nov 2026, 10:44 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: nerves-hub. Product: nerves_hub_web.
  - affected: `1.0.0 to before 2.5.3` (other)
  - Other versions: unaffected
  - Package name: `nerves-hub/nerves-hub`
  - Collection: `https://ghcr.io`
  - purl: `pkg:oci/nerves-hub?repository_url=ghcr.io%2Fnerves-hub%2Fnerves-hub`
- Vendor: nerves-hub. Product: nerves_hub_web.
  - affected: `1.0.0 to before 2.5.3` (semver)
  - Other versions: unaffected
  - Package name: `nerves_hub`
  - purl: `pkg:otp/nerves_hub?repository_url=https:%2F%2Fgithub.com%2Fnerves-hub%2Fnerves_hub_web&vcs_url=git%2Bhttps:%2F%2Fgithub.com%2Fnerves-hub%2Fnerves_hub_web.git`
- Vendor: nerves-hub. Product: nerves_hub_web.
  - affected: `7b511764a468bb2c1f33945874faa86af2255c0c to before 34ea112472a460319c1e1dec8ad0ffc37df05ffe` (git)
  - Other versions: unaffected
  - Package name: `nerves-hub/nerves_hub_web`
  - Collection: `https://github.com`
  - purl: `pkg:github/nerves-hub/nerves_hub_web`

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 5.3 Medium, CVSS 4.0: `CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:L/SA:N`, from CNA (EEF)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0022, the 12th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

- 10 Nov 2026, 10:44 UTC: [Confirmed by the CVE List](https://www.cve.org/CVERecord?id=CVE-2026-120286)
- 10 Nov 2026, 10:55 UTC: First seen by agentprime
- 10 Nov 2026, 11:16 UTC: [Confirmed by NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-120286)

## Sources

- [CVE List: CVE-2026-120286](https://www.cve.org/CVERecord?id=CVE-2026-120286)
- [NVD: CVE-2026-120286](https://nvd.nist.gov/vuln/detail/CVE-2026-120286)

### References from the CNA

- <https://github.com/nerves-hub/nerves_hub_web/security/advisories/GHSA-gxj7-m8x6-r644> (vendor-advisory, related)
- <https://cna.erlef.org/cves/CVE-2026-120286.html> (related)
- <https://osv.dev/vulnerability/EEF-CVE-2026-120286> (related)
- <https://github.com/nerves-hub/nerves_hub_web/commit/7b511764a468bb2c1f33945874faa86af2255c0c> (related)
- <https://github.com/nerves-hub/nerves_hub_web/commit/34ea112472a460319c1e1dec8ad0ffc37df05ffe> (patch)

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2026-120286>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-120286/>. Everything for agents: <https://agentprime.io/llms.txt>.