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CVE-2026-18577 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2026-18577

CVE-2026-18577

HIGH8.2

Incomplete patch leads to administrative account takeover

Published Aug 2, 2026

Modified Yesterday

Details

An incomplete patch for CVE-2026-18556 allows for authentication bypass and account takeover in N-central Versions through 2026.3.1

References

WEB

https://documentation.n-able.com/N-central/Release_Notes/GA/Content/N-central_2026.3_HF1_Release_Notes.htm

WEB

https://status.n-able.com/2026/08/02/n-central-2026-3-hotfix-1-mitigation-for-cve-2026-18577/

WEB

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-18577

WEB

https://www.cve.org/CVERecord?id=CVE-2026-18556

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-18577

ADVISORY

https://www.n-able.com/blog/n-central-security-update-august-2-2026

CVSS Analysis

CVSS v4.0

8.2

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

HighAC:H

Attack Requirements

NoneAT:N

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Vulnerable System

Vuln. Confidentiality

HighVC:H

Vuln. Integrity

NoneVI:N

Vuln. Availability

NoneVA:N

Subsequent System

Subseq. Confidentiality

LowSC:L

Subseq. Integrity

LowSI:L

Subseq. Availability

LowSA:L

8.2/CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:L/SA:L/E:A

Weakness Type (CWE)

Other

CWE-288

Ecosystems

Timeline

PublishedAug 2, 2026

ModifiedAug 4, 2026