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N-able N-central Offline After 33 Zero-Day Vulnerabilities Disclosed

N-able N-central Offline After 33 Zero-Day Vulnerabilities Disclosed

First seen 9 Nov 2026, 20:09 UTC • •

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ThreatCluster AI
ThreatCluster •November 10, 2026 at 12:44 UTC
  • •Over 30 zero-day vulnerabilities disclosed in N-able's N-central platform.
  • •N-able took its hosted services offline and advised on-premises customers to do the same.
  • •No active exploitation confirmed, but a hotfix is expected on November 10.

On November 8-9, 2026, security researcher Sean Bales disclosed over 30 zero-day vulnerabilities in N-able's N-central platform, publishing proof-of-concept (PoC) exploits in a GitHub repository called Able2Shell. The vulnerabilities include unauthenticated XML External Entity (XXE) injection and remote code execution (RCE) flaws, which could allow attackers to hijack sessions, create rogue administrator accounts, and gain full control over managed environments. In response, N-able took its hosted N-central services offline globally and advised on-premises customers to do the same. As of November 10, N-able reported no confirmed active exploitation of the vulnerabilities but is working on a hotfix expected to be released the same day. The vulnerabilities could have significant impacts on managed service providers (MSPs) using the platform, as compromising a single instance could lead to widespread access across multiple client environments.

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Timeline

2026-11-08
Vulnerabilities disclosed
Sean Bales published over 30 zero-day vulnerabilities in N-central on GitHub, including PoC code.
BleepingComputer
2026-11-09
N-able takes services offline
N-able announced the shutdown of hosted N-central environments as a precautionary measure.
Fieldeffect
2026-11-10
Hotfix expected
N-able is working on a hotfix for the vulnerabilities, with an expected release by midday.
Uptime.N-Able

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Common questions

What are the main vulnerabilities disclosed?
The vulnerabilities include unauthenticated XML External Entity (XXE) injection and remote code execution (RCE) flaws.
What should on-premises customers do?
On-premises customers are advised to take their N-central servers offline until further notice from N-able.
When will the hotfix be available?
N-able expects to release the hotfix by midday on November 10, 2026.