CVE-2026-78103— Dimension Log Server Configuration Lock Bypass Vulnerability
Quick assessment
Affected
WatchGuard Dimension
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
WatchGuard Dimension 提供了一个客户端的锁定/解锁 UI 控件，用于管理配置变更。然而，服务器端的配置接口并未强制要求执行该锁定/解锁的工作流状态，这使得已认证的管理员可以绕过 UI 中的“解锁”步骤，直接向该接口提交配置变更。因此，一个具有读写权限的已认证管理员会话可以绕过预设的编辑工作流，并覆盖其他并发管理员会话正在进行的配置变更。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| WatchGuard | Dimension | 2.0< 2.3.1 |
affected |
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I. Basic Information for CVE-2026-78103
Vulnerability Information
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Vulnerability Title
Dimension Log Server Configuration Lock Bypass Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
WatchGuard Dimension provides a client-side lock/unlock UI control for management changes. The server-side configuration endpoint does not enforce this lock/unlock workflow state, allowing an authenticated administrator to submit configuration changes directly to the endpoint without first completing the UI unlock step. This allows an authenticated read-write administrator session to bypass the intended editing workflow and overwrite configuration changes being made by another concurrent administrator session.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
行为工作流的不恰当实施
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| WatchGuard | Dimension | 2.0 ~ 2.3.1 | - |
|
II. Public POCs for CVE-2026-78103
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-78103 (1)
Same Patch Batch · WatchGuard · 2026-08-27 · 28 CVEs total
| CVE-2026-13086 | 9.3 CRITICAL | Fireware OS Stack-Based Buffer Overflow in Mobile Security epm Endpoint |
| CVE-2026-19315 | 9.3 CRITICAL | Fireware OS Pre-Authentication Type Confusion in iked Allows Remote Code Execution |
| CVE-2026-19313 | 9.3 CRITICAL | Fireware OS Pre-Authentication Heap Buffer Overflow in iked Allows Remote Code Execution |
| CVE-2026-19318 | 9.3 CRITICAL | Fireware OS Pre-Authentication Stack Buffer Overflow in iked Allows Remote Code Execution |
| CVE-2026-78174 | 9.3 CRITICAL | WatchGuard Dimension Session Hijack via Exposed Session Tokens in Diagnostic Logs |
| CVE-2026-78009 | 8.7 HIGH | Fireware OS Out-of-Bounds Read in iked Allows Unauthenticated Denial of Service (DoS) |
| CVE-2026-13108 | 8.7 HIGH | Dimension Denial-of-Service |
| CVE-2026-19314 | 8.7 HIGH | Fireware OS Integer Underflow in iked Allows Unauthenticated Denial of Service (DoS) |
| CVE-2026-19316 | 8.7 HIGH | Fireware OS Pre-Authentication Double Free in iked Allows Denial of Service (DoS) |
| CVE-2026-19317 | 8.7 HIGH | Fireware OS Pre-Authentication Out-of-Bounds Read in iked Allows Denial of Service (DoS) |
| CVE-2026-78010 | 8.7 HIGH | Fireware OS Stack-Based Buffer Overflow in iked Allows Unauthenticated Denial of Service |
| CVE-2026-78011 | 8.7 HIGH | Fireware OS Integer Underflow in Iked Allows Unauthenticated Denial of Service (DoS) |
| CVE-2026-78008 | 8.6 HIGH | Fireware OS Authenticated Buffer Overflow in wgagent |
| CVE-2026-78613 | 8.6 HIGH | Dimension SQL Injection in Log Viewer |
| CVE-2026-78612 | 8.6 HIGH | Dimension SQL Injection in Scheduled Report |
| CVE-2026-78614 | 8.6 HIGH | Dimension SQL Injection in Audit Report |
| CVE-2026-78610 | 8.4 HIGH | Dimension CSRF Vulnerability in Administrator Passphrase Change Endpoint |
| CVE-2026-78618 | 6.9 MEDIUM | Dimension Business Logic Flaw Allows Chained Backend Object Operations |
| CVE-2026-81851 | 6.9 MEDIUM | Fireware OS Heap-Based Buffer Overflow in iked Allows Denial of Service |
| CVE-2026-78617 | 6.3 MEDIUM | WatchGuard Dimension Web UI Authentication Brute-Force Due to Missing Rate Limiting |
Showing top 20 of 28 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Dimension
-
CVE-2026-78616
Dimension Stored XSS via Trusted CA Certificate Configuratio -
CVE-2026-78612
Dimension SQL Injection in Scheduled Report -
CVE-2026-78498
Dimension Server-Side Request Forgery via Email Server Test -
CVE-2026-13108
Dimension Denial-of-Service -
CVE-2026-78047
Dimension Stored XSS in Scheduled Report Task
Same vendor: WatchGuard
-
CVE-2026-78616
Dimension Stored XSS via Trusted CA Certificate Configuratio -
CVE-2026-78498
Dimension Server-Side Request Forgery via Email Server Test -
CVE-2026-78612
Dimension SQL Injection in Scheduled Report -
CVE-2026-78047
Dimension Stored XSS in Scheduled Report Task -
CVE-2026-78614
Dimension SQL Injection in Audit Report
Same weakness: CWE-841
V. Comments for CVE-2026-78103
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