# CVE-2026-123962: CVE-2026-123962

Status: published. Published: 2026-11-06. Updated: 2026-11-06.

In FreedomBox before 26.15, unprivileged user accounts can read/write files for which they lack permissions by setting the authorized_keys file to be a symlink. NOTE: FreedomBox is a Debian Pure Blend, which means that it distributes its software through Debian repositories.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Debian / FreedomBox: ≥ 0; < 26.15 (affected, custom). Source: CNA: mitre

## Severity and prioritization

- CVSS 3.1: 8.4 (high); CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H; source: CNA: mitre

- CVSS 3.1: 8.4 (high); CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H; source: NVD: cve@mitre.org

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: exploitation none; automatable no; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-61

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://alioth-lists.debian.net/pipermail/freedombox-discuss/2026-November/010041.html (CNA: mitre)

- https://salsa.debian.org/freedombox-team/freedombox/-/commit/351b6a5c9b432f29ecab2a74d5426977bca29188 (CNA: mitre)

- https://freedombox.org/about/ (CNA: mitre)

- https://alioth-lists.debian.net/pipermail/freedombox-discuss/2026-November/010041.html (cve@mitre.org)

- https://freedombox.org/about/ (cve@mitre.org)

- https://salsa.debian.org/freedombox-team/freedombox/-/commit/351b6a5c9b432f29ecab2a74d5426977bca29188 (cve@mitre.org)

## Provenance

- CNA: mitre: https://www.cve.org/CVERecord?id=CVE-2026-123962; retrieved 2026-11-06; source updated 2026-11-06

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-123962; retrieved 2026-11-06; source updated 2026-11-06

Revision: 22fb6d22a44d14b83601115c9ede585c5538dfd1cd33c0d0538dc19e4e892920

Canonical: https://y2.dev/cve/CVE-2026-123962

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.