CVE-2026-23826
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedA vulnerability in a network management service of AOS-8 Operating System could allow an unauthenticated remote attacker to exploit this vulnerability by sending specially crafted network packets to the affected device, potentially resulting in a denial-of-service condition. Successful exploitation could cause the affected service process to terminate unexpectedly, disrupting normal device operations.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceA denial-of-service vulnerability exists in the network management service of Aruba AOS-8 Operating System. An unauthenticated remote attacker can send specially crafted network packets to the affected device, causing the service process to terminate unexpectedly and disrupting normal device operations.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data>= 6.5.4.0, < 8.10.0.22>= 8.11.0.0, < 8.12.0.7>= 8.13.0.0, < 8.13.1.2>= 8.6.0.4-2.2.0.0, <= 8.6.0.4-2.2.0.7>= 8.7.0.0-2.3.0.0, <= 8.7.0.0-2.3.0.9CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify the installed ArubaOS versionRun 'show version' or access the controller CLI and retrieve the OS version numberAffected if The version falls within >= 6.5.4.0 and < 8.10.0.22, OR >= 8.11.0.0 and < 8.12.0.7, OR >= 8.13.0.0 and < 8.13.1.2
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Identify the installed SD-WAN versionRun 'show version' on SD-WAN devices or check the management interface for the software versionAffected if The version falls within >= 8.6.0.4-2.2.0.0 to <= 8.6.0.4-2.2.0.7, OR >= 8.7.0.0-2.3.0.0 to <= 8.7.0.0-2.3.0.9
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Verify network management service exposureCheck device network configuration for interface bindings: review 'show ip interface' and confirm if management interfaces (ports 80, 443, or custom management ports) are bound to external or untrusted VLANs or IP rangesAffected if The network management service is reachable from untrusted or external networks rather than only from isolated management VLANs
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Check for service availabilityExecute 'show process' or 'show memory' to verify the network management service process is running and has not terminated unexpectedlyAffected if The network management service process is not running or has recently restarted without apparent cause
A device is affected if it runs a vulnerable ArubaOS or SD-WAN version within the specified ranges AND has the network management service exposed to untrusted networks.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scoped8.10.0.228.12.0.78.13.1.2
Apply the vendor-provided patch when available; meanwhile, implement network segmentation and ingress filtering to limit exposure to untrusted networks, and monitor for signs of service disruption.
ArubaOS: 8.10.0.22 or later (8.10.x), 8.12.0.7 or later (8.12.x), 8.13.1.2 or later (8.13.x); SD-WAN: version > 8.6.0.4-2.2.0.7 or > 8.7.0.0-2.3.0.9
- 1. Identify the current ArubaOS or SD-WAN version running on the device using 'show version' or the web UI.
- 2. For ArubaOS: If running version 6.5.4.0 or later but less than 8.10.0.22, plan upgrade to 8.10.0.22 or later in the 8.10.x branch.
- 3. For ArubaOS: If running version 8.11.0.0 or later but less than 8.12.0.7, plan upgrade to 8.12.0.7 or later in the 8.12.x branch.
- 4. For ArubaOS: If running version 8.13.0.0 or later but less than 8.13.1.2, plan upgrade to 8.13.1.2 or later in the 8.13.x branch.
- 5. For SD-WAN: If running version 8.6.0.4-2.2.0.x (where x is 0-7), upgrade to a version greater than 8.6.0.4-2.2.0.7.
- 6. For SD-WAN: If running version 8.7.0.0-2.3.0.x (where x is 0-9), upgrade to a version greater than 8.7.0.0-2.3.0.9.
- 7. Download the appropriate upgrade image from support.hpe.com and follow Aruba's standard upgrade procedure.
- 8. After upgrade, verify the service is running properly and test normal operations.
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation6.0 h
- Implementation4.0 h
- Testing8.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-23826 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-23826 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Version or environment caveats, and links to real fixes
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