CyberSecBulletin
CVE-2026-86218Exploited in the wildNVD status: Analyzed

N-able N-central Static Code Injection

Published Updated By the CyberSecBulletin desk

CVE-2026-86218 is a critical-severity improper neutralization of directives in statically saved code vulnerability in N-central from N-able, with a CVSS 3.1 base score of 9.8 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. The record lists version 2026.3.1.14 as the first without the flaw, so updating N-central to that release or later removes the exposure. CISA added it to the Known Exploited Vulnerabilities catalogue on September 8, 2026, which means attacks have been observed in the wild.

Patch now

Attackers are already exploiting this vulnerability, according to CISA.

What to do

  1. Update N-central to 2026.3.1.14 or a later version.
  2. CISA's required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
  3. Read the advisory on me.n-able.com for workarounds and exact fixed builds.
  4. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
N-ableN-centralbefore 2026.3.1.142026.3.1.14

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 4.010.0CriticalCNA
CVSS 3.19.8CriticalNVD

Official description

N-central is vulnerable to a pre-auth remote code execution This issue affects N-central: before 2026.3.1.14.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Improper Neutralization of Directives in Statically Saved Code

The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes code syntax before inserting the input into an executable resource, such as a library, configuration file, or template.

How developers prevent this class of flaw

  • Perform proper output validation and escaping to neutralize all code syntax from data written to code files.

More Improper Neutralization of Directives in Statically Saved Code vulnerabilities (CWE-96)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: active, automatable: yes, technical impact: total).
  3. Added to CISA's Known Exploited Vulnerabilities catalogue.
  4. Record last changed materially (score, affected products, status or references).
  5. Deadline for US federal agencies to remediate, set by CISA.

References

Third-party and government advisories

Our coverage

Other vulnerabilities in N-central

All N-central vulnerabilities

Recent Improper Neutralization of Directives in Statically Saved Code vulnerabilities

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