CVE-2026-86218 (GCVE-0-2026-86218)
Vulnerability from cvelistv5 – Published: 2026-09-06 02:15 – Updated: 2026-09-09 04:25Title
pre-authentication remote code execution
Summary
N-central is vulnerable to a pre-auth remote code execution This issue affects N-central: before 2026.3.1.14.
Severity
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-07 00:00 UTC
CWE
- CWE-96 - Improper neutralization of directives in statically saved code ('static code injection')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://me.n-able.com/s/security-advisory/aArVy00… | vendor-advisory |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 25f2b2d4-35a6-46c5-82c0-07e78979660d
Exploited: Yes
Timestamps
First Seen: 2026-09-08
Asserted: 2026-09-08
Scope
Notes: N-able N-central Static Code Injection Vulnerability | Affected: N-able / N-central | Description: N-able N-central contains a static code injection vulnerability that could allow for pre-authentication remote code execution. | 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. | Due date: 2026-09-11 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://status.n-able.com/2026/09/06/n-central-2026-3-hotfix-4-cve-2026-86218/ ; https://me.n-able.com/s/security-advisory/aArVy0000002Ld3KAE/cve202686218-preauthentication-remote-code-execution ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-86218
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-96 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | N-central |
| Due Date | 2026-09-11 |
| Date Added | 2026-09-08 |
| Vendorproject | N-able |
| Vulnerabilityname | N-able N-central Static Code Injection Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-09-08 19:00 UTC
| Updated: 2026-09-08 19:00 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 48679692-5264-44cc-acde-02dc7f7b229a
Exploited: Yes
Timestamps
First Seen: 2026-09-06
Asserted: 2026-09-06
Scope
Notes: pre-authentication remote code execution | Affected: N-able / N-central | CVSS: 10.0 (CRITICAL) | EPSS: 0.00411 | Used in malware: unknown | Not yet in CISA KEV: True
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: previdian
Details
| Feed | Previdian (previdian.com) |
|---|---|
| Title | pre-authentication remote code execution |
| Vendor | N-able |
| Product | N-central |
| Added Date | 2026-09-06T04:15:00.000Z |
| Cvss Score | 10.0 |
| Epss Score | 0.00411 |
| Cvss Severity | CRITICAL |
| Epss Percentile | 0.3432 |
| Used In Malware | unknown |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | True |
References
Created: 2026-09-07 11:00 UTC
| Updated: 2026-09-07 11:00 UTC
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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