CVE-2026-76658Patch(arubanetworks / fabric_composer)

LOWCVSS 10.0 · CRITICAL

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

Patch arubanetworks fabric_composer systems immediately
Hunt for exploitation attempts and persistence artifacts
Increase monitoring for publicly documented tradecraft

Recommended action window: High priority (within 72h)

NVD description

A vulnerability has been identified in the SSH daemon of HPE Networking Fabric Composer that could allow an unauthenticated remote attacker to gain administrative access to vulnerable AFC hosts. Successful exploitation could allow an attacker to execute arbitrary commands as a privileged user on the underlying operating system leading to complete system compromise.

arubanetworks CVEs Back to dashboard

2.0/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US

Weakness type (CWE)

CWE-287

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

fabric_composer

Threat summary

Public PoC is present in monitored signal
Patch or workaround signal is available
7 mentions across 5 observed days
Momentum state: stable

What's happening

PoC mentioned or linked in 1 signal
Patch or workaround mentioned in 3 signals
Technical details provided in 5 signals
General: 2 classified signals
Peaked 4d ago at 2 mentions (2026-09-02); latest day: 1
7 total mentions across 5 days

Affected systems

Vendors

arubanetworks

Products

fabric_composer

Deep dive

Activity timeline7 mentions / 5d

Signal classification4 categories

Patch

342.9%

General

228.6%

PoC

114.3%

Disclosure

114.3%

Referenced assets5 URLs

By indicator

Classification over time

Date	Total	Labels

2026-09-02	2	Patch2
2026-09-03	2	General1PoC1
2026-09-04	1	Disclosure1
2026-09-09	1	Patch1
2026-09-11	1	General1

Full discourse7 posts

NCIIPC India@NCIIPC45d
Patch
Multiple critical #Vulnerabilities have been discovered in #HPE Aruba Networking Fabric Composer. Upgrade immediately to remain safe. #CVE-2026-76657 #CVE-2026-76658 #CVE-2026-19766 #CVE-2026-73700 #CVE-2026-73701 https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US
Post summary
The message warns of multiple critical CVEs in HPE Aruba Networking Fabric Composer and urges users to upgrade, providing a link to an HPE support page for remediation.
10020708
8.5K followersView on X
ExploitGrid@exploitgrid44d
General
🛡️ #ExploitGrid Daily #Threat Digest Top Vulnerabilities (CVEs) of the day CVE-2026-75604 - EXPLOIT CVE-2026-63137 - EXPLOIT CVE-2026-76657 CVE-2026-76658 CVE-2026-84147 ..🧵👇
Post summary
The post lists five CVEs, noting two as having exploits, but contains no additional details about PoCs, exploitation, patches, or technical characteristics.
1000157
40 followersView on X
Kaitan ID Security@KaitanSecurity36d
General
🧨 HPE Networking Fabric Composer: Unauthenticated Remote Access Two critical flaws in HPE Networking Fabric Composer round out the infrastructure horror show. CVE-2026-76658 exposes an SSH daemon vulnerability allowing unauthenticated remote…
Post summary
The post announces two critical flaws in HPE Networking Fabric Composer, including CVE‑2026‑76658 that permits unauthenticated SSH remote access, but offers no exploit code, PoC, patch, or evidence of active exploitation.
1000037
88 followersView on X
ExploitGrid@exploitgrid44d
PoC
[CVE] CVE-2026-76658 [HIGH PRIORITY] #Unauthenticated Remote Code Execution in HPE Networking Fabric Composer SSH D... 🔗 https://exploitgrid.net/cve/CVE-2026-76658
Post summary
The tweet announces a high‑priority CVE‑2026‑76658 with unauthenticated remote code execution in HPE Networking Fabric Composer, linking to a PoC on ExploitGrid, while providing no evidence of active exploitation or a patch.
1000039
40 followersView on X
iototsecnews@iototsecnews39d
Patch
HPE Fabric Composer の脆弱性 CVE-2026-76658 などが FIX：基盤となるホストの完全侵害の恐れ https://iototsecnews.jp/2026/09/01/critical-hpe-fabric-composer-flaw-lets-unauthenticated-attackers-execute-commands-as-privileged-user/ HPE Networking Fabric Composer の SSH デーモンや API における認証制御の欠陥により、未認証の第三者によってリモートから管理者権限が奪取され、システムが乗っ取られる恐れがあります。基盤ホストの完全な侵害／特権コマンドの任意実行／データ漏洩などの深刻な影響が生じるため、バージョン 7.3.4 以降または 7.4.0 以降へのアップデートや管理ポートの分離といった迅速なアクセス制限の適用が強く求められます。対象となる脆弱性には CVE-2026-76658／CVE-2026-76657／CVE-2026-19766／CVE-2026-73700／CVE-2026-73701 などが含まれます。 #CVE202619766 #CVE202673701 #CVE202676657 #CVE202676658 #FabricComposer #HPE #Vulnerability
Post summary
The article highlights a critical authentication flaw in HPE Fabric Composer that could allow remote privilege escalation, and stresses applying patches or isolating management interfaces to mitigate the risk.
00000128
514 followersView on X
SecAlerts@SecAlertsCo44d
Disclosure
🔑 HPE Networking Fabric Composer SSH daemon: unauthenticated RCE gives attackers full admin access. CVSS 10. No auth, no interaction, network-exploitable. CVE-2026-76658 #cybersecurity #ciso #cto #vulnerabilities #mssp https://secalerts.co/vulnerability/CVE-2026-76658?utm_campaign=x https://t.co/MLdnSO3luu
Post summary
The tweet announces a CVE-2026-76658 vulnerability in HPE Networking Fabric Composer’s SSH daemon, describing an unauthenticated remote code execution flaw with a CVSS score of 10 and offering a link for more details.
00000163
888 followersView on X
The Daily Tech Feed@dailytechonx45d
Patch
Critical vulnerabilities in HPE Fabric Composer allow unauthenticated attackers to bypass authentication, execute arbitrary code, and gain full admin access. CVE-2026-76657 and CVE-2026-76658 score 10.0. Users must update versions and lock down APIs, SSH, and web interfaces ASAP for network security. #HPE #Security #Vulnerabilities #NetworkSecurity #FabricComposer #CVE10 https://thedailytechfeed.com/severe-hpe-fabric-composer-flaws-let-attackers-fully-compromise-systems/
Post summary
High‑severity CVEs in HPE Fabric Composer allow credential bypass, code execution, and full admin access; users are urged to update and harden interfaces promptly.
0000059
698 followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	arubanetworks	fabric_composer	-	-	-

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Back to dashboard arubanetworks CVEs fabric_composer vulnerabilities

What researchers are saying

CVE-2026-76658

Kaitan ID Security[verified]@KaitanSecurityGeneral

The post announces two critical flaws in HPE Networking Fabric Composer, including CVE‑2026‑76658 that permits unauthenticated SSH remote access, but offers no exploit code, PoC, patch, or evidence of active exploitation.

The Daily Tech Feed[verified]@dailytechonxPatch

High‑severity CVEs in HPE Fabric Composer allow credential bypass, code execution, and full admin access; users are urged to update and harden interfaces promptly.

NCIIPC India@NCIIPCPatch

The message warns of multiple critical CVEs in HPE Aruba Networking Fabric Composer and urges users to upgrade, providing a link to an HPE support page for remediation.

ExploitGrid@exploitgridGeneral

The post lists five CVEs, noting two as having exploits, but contains no additional details about PoCs, exploitation, patches, or technical characteristics.

ExploitGrid@exploitgridPoC

The tweet announces a high‑priority CVE‑2026‑76658 with unauthenticated remote code execution in HPE Networking Fabric Composer, linking to a PoC on ExploitGrid, while providing no evidence of active exploitation or a patch.

iototsecnews@iototsecnewsPatch

The article highlights a critical authentication flaw in HPE Fabric Composer that could allow remote privilege escalation, and stresses applying patches or isolating management interfaces to mitigate the risk.

SecAlerts@SecAlertsCoDisclosure

The tweet announces a CVE-2026-76658 vulnerability in HPE Networking Fabric Composer’s SSH daemon, describing an unauthenticated remote code execution flaw with a CVSS score of 10 and offering a link for more details.