Read the docs
TI-2026-15214 Aliases CVE-2026-18556GHSA-fffv-7w63-p3xw

Unauthenticated administrative account takeover

Priority CRITICAL 95Exploited in the wildCWE-288Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-288.

Summary

Authentication bypass using an alternate path or channel vulnerability in N-able N-central allows Authentication Bypass. This issue affects N-central: through 2026.1.

Why it matters now

Exploitation Active In CISA KEV since 2026-08-04CISA due date 2026-08-07
EPSS 0.07882 94th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
N-ableN-centralup to 2026.1—No fix listedCNA
  • N-central VendorN-able Affected up to 2026.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:n-able:n-central:*:*:*:*:*:*:*:*up to 2026.1VulnerableN-able
  • cpe:2.3:a:n-able:n-central:*:*:*:*:*:*:*:* Versions up to 2026.1 Vulnerable ·N-able

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-08-04 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2026-18556
  3. 2026-10-03 Alias added: GHSA-fffv-7w63-p3xw

References

  • TI-2026-59007 pre-authentication remote code execution KEVCVSS 4.0CRITICAL 10.0
  • TI-2025-08126 Command injection in N-able N-central KEVCVSS 4.0CRITICAL 9.4
  • TI-2025-08125 Insecure deserialization in N-able N-central KEVCVSS 4.0CRITICAL 9.4
  • TI-2026-15225 Incomplete patch leads to administrative account takeover KEVCVSS 4.0HIGH 8.2
  • TI-2025-10725 N-central Multiple XXE Injection Vulnerabilities CVSS 4.0HIGH 8.4
  • TI-2024-18776 N-central Authentication Bypass CVSS 3.1CRITICAL 9.8
See all 14 →

Sources