# CVE-2026-125958: Root RCE via unsigned NSP upgrade package upload

Status: published. Published: 2026-11-10. Updated: 2026-11-11.

Download of code without integrity check vulnerability in N-able N-central allows Remote Code Inclusion.

This issue affects N-central: through 24.6.1.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- N-able / N-central: ≥ 0; ≤ 24.6.1 (affected, custom). Source: CNA: N-able

## Severity and prioritization

- CVSS 4.0: 7.5 (high); CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N; source: CNA: N-able

- CVSS 4.0: 7.5 (high); CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X; source: NVD: a5532a13-c4dd-4202-bef1-e0b8f2f8d12b

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: exploitation poc; automatable no; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-494

## Exploit evidence

- exploit: https://github.com/Oracle-Security/CVEs/tree/main/0-Days/N-Central%20N-Able#preupgrade-helper-root-rce (ADP: CISA-ADP)

## References

- https://me.n-able.com/s/security-advisory/aArVy0000002ixpKAA/cve2026125958-root-rce-via-unsigned-nsp-upgrade-package-upload (CNA: N-able; vendor-advisory)

- https://github.com/Oracle-Security/CVEs/tree/main/0-Days/N-Central%20N-Able#preupgrade-helper-root-rce (ADP: CISA-ADP; exploit)

- https://me.n-able.com/s/security-advisory/aArVy0000002ixpKAA/cve2026125958-root-rce-via-unsigned-nsp-upgrade-package-upload (a5532a13-c4dd-4202-bef1-e0b8f2f8d12b)

## Provenance

- CNA: N-able: https://www.cve.org/CVERecord?id=CVE-2026-125958; retrieved 2026-11-11; source updated 2026-11-11

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-125958; retrieved 2026-11-11; source updated 2026-11-10

Revision: e1a5b67cc9c5a4b03491ab286e4a6eb9669428b2cbf5743ca2e0215aaaa0e440

Canonical: https://y2.dev/cve/CVE-2026-125958

## 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.