Severity by source
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/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
Network-reachable, low-privilege required per CVSS 4.0 PR:L; full CIA impact on N-central's own data/services; no scope change beyond the vulnerable system.
Primary rating from Vendor (N-able).
CVSS VectorVendor: N-able
Lifecycle Timeline
4DescriptionCVE.org
An authentication bypass in N-central < 2026.3 HF 3 leads to authentication bypass in internal only APIs
AnalysisAI
Authentication bypass in N-able N-central before version 2026.3 HF 3 permits low-privileged authenticated users to access internal-only APIs without proper authorization checks, achieving effective privilege escalation within the platform. N-central is a remote monitoring and management (RMM) platform used extensively by managed service providers (MSPs) to control customer endpoints, meaning unauthorized API access could cascade to managed devices across multiple customer environments. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to hold at minimum a low-privilege authenticated session in the target N-central instance (PR:L in CVSS 4.0). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 7.7 with VC:H/VI:H/VA:H on the vulnerable system signals high potential impact if the bypass is successfully triggered. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade N-central to version 2026.3 HF 3 or later per the N-able release notes at https://documentation.n-able.com/N-central/Release_Notes/GA/Content/N-central_2026.3_HF3_Release_Notes.htm. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all N-able N-central instances in your environment and verify current versions prior to 2026.3 HF 3 to establish which deployments require immediate patching. …
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Pre-authentication remote code execution in N-able N-central before 2026.3.1.14 allows unauthenticated remote attackers
Authentication bypass and account takeover in N-able N-central through version 2026.3.1 stem from an incomplete remediat
Authentication bypass in N-able N-central through version 2026.1 allows unauthenticated remote attackers to circumvent a
N-able N-central remote monitoring and management platform versions before 2025.4 contain multiple XML External Entity i
N-able N-central before 2025.3.1 contains an OS command injection through improper input validation, companion vulnerabi
The N-central server is vulnerable to an authentication bypass of the user interface. Rated critical severity (CVSS 9.8)
SolarWinds N-central through 2020.1 allows session hijacking and requires user interaction or physical access. Rated hig
SolarWinds N-central before 12.1 SP1 HF5 and 12.2 before SP1 HF2 allows remote attackers to retrieve cleartext domain ad
Unauthenticated remote access to restricted internal APIs is possible in N-able N-central due to an incomplete access co
The N-central server is vulnerable to session rebinding of already authenticated users when using Entra SSO, which can l
An issue was discovered in SolarWinds N-Central 12.3.0.670. Rated high severity (CVSS 8.8), this vulnerability is remote
An issue was discovered in SolarWinds N-Central 12.3.0.670. Rated high severity (CVSS 8.8), this vulnerability is remote
Same weakness CWE-305 – Authentication Bypass by Primary Weakness
View allSame technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-72022
GHSA-r94p-pw8f-8cwv