CVE-2026-18556
Last modified
CVE-2026-18556 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. 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.. CISA has confirmed active exploitation in the wild. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
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.
Metrics
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| N-Able | N-Central | <= 2026.1 |
References
- https://uptime.n-able.com/Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-18556US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-18556?
How severe is CVE-2026-18556?
How do I fix CVE-2026-18556?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-18545IBM Langflow OSS 1.0.0 through 1.11.1 is vulnerable to serve…4.3
- CVE-2026-18547The Ultimate Member – User Profile, Registration, Login, Mem…6.4
- CVE-2026-18549@fastify/multipart is a multipart form-data parser for Fasti…7.5
- CVE-2026-18550The Nokri - Job Board WordPress Theme for WordPress is vulne…9.8
- CVE-2026-18554IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote …7.5
- CVE-2026-18555The Better Messages – Chat Rooms, Group Chat, Private Messag…6.1
- CVE-2026-1856The Appointment Booking Calendar plugin for WordPress is vul…6.4
- CVE-2026-18561The Unlimited Elements For Elementor plugin for WordPress is…7.5
- CVE-2026-18562The HUSKY – Products Filter Professional for WooCommerce plu…6.1
- CVE-2026-18567IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a local a…4.7
- CVE-2026-18568XML::Sig versions from 0.29 before 0.72 for Perl allow signa…7.5
- CVE-2026-18569A flaw was found in the backchannel logout endpoint of the k…3.7
Are you affected by CVE-2026-18556?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST