CVE-2026-93865：Fireware OS FireCluster 同步守護程式缺失認證，允許遠端注入 Root 行動
CVE-2026-93865 - Fireware OS Missing Authentication in FireCluster Sync Daemon Allows Remote Root Action Injection
Fireware OS 的 FireCluster 同步守護程式存在缺失認證漏洞，攻擊者可遠端注入 Root 許可權指令。
- 影響範圍：所有啟用 FireCluster 的 Fireware OS 版本，具體版本未公開。
此漏洞可讓未授權攻擊者遠端執行管理指令，提醒使用者盡速升級或停用 FireCluster 功能以降低風險。
A missing authentication vulnerability in the Fireware OS FireCluster synchronization daemon allows a remote, unauthenticated attacker to invoke privileged system-level administrative actions by sending a specially crafted request to the FireCluster management IP when the clustering feature is enabled.
Impact
Affected Products
The following products are affected by CVE-2026-93865
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
| ID | Vendor | Product | Action |
|---|---|---|---|
| 1 | Watchguard | fireware_os |
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | CRITICAL | 5d1c2695-1a31-4499-88ae-e847036fd7e3 |
Patch Fireware OS to fix the missing authentication vulnerability in the FireCluster synchronization daemon.
- Update Fireware OS to the latest version.
- Ensure clustering feature is properly secured.
- Restrict access to FireCluster management interface.
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-93865.
| URL | Resource |
|---|---|
| https://psirt.watchguard.com/CVE-2026-93865 |
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-93865 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-93865
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-93865 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-93865 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by 5d1c2695-1a31-4499-88ae-e847036fd7e3
十月. 27, 2026
Action Type Old Value New Value Added Description A missing authentication vulnerability in the Fireware OS FireCluster synchronization daemon allows a remote, unauthenticated attacker to invoke privileged system-level administrative actions by sending a specially crafted request to the FireCluster management IP when the clustering feature is enabled. Added CVSS V4.0 AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-77 Added CWE CWE-306 Added CWE CWE-862 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/93xxx/CVE-2026-93865.json">CVE-2026-93865</a> Added Reference https://psirt.watchguard.com/CVE-2026-93865
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.