CVE-2026-78174— WatchGuard Dimension Session Hijack via Exposed Session Tokens in Diagnostic Logs
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 在其 Web 界面的诊断日志中记录了未脱敏的已登录用户会话标识符。低权限的 Dimension 管理员可以获取该日志，并在超级管理员登录期间提取其会话令牌，从而实现账户接管（账户劫持）。
Possible ATT&CK Techniques 1 AI
T1079Affected 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-2026-78174
Vulnerability Information
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Vulnerability Title
WatchGuard Dimension Session Hijack via Exposed Session Tokens in Diagnostic Logs
Source: CVE Program / CVE List V5
Vulnerability Description
WatchGuard Dimension records unredacted session identifiers for logged-in users in its web UI diagnostic log. A low-privileged Dimension Administrator can retrieve this log and extract a Super Administrator's session token while that administrator is logged in, enabling account takeover.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
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-2026-78174
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-78174 (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-2026-78009 | 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 |
| CVE-2026-78495 | 5.3 MEDIUM | Dimension Server-Side Request Forgery via Remote Backup Connection Test |
Showing top 20 of 28 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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CVE-2026-78616
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Dimension Denial-of-Service -
CVE-2026-78047
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Same vendor: WatchGuard
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CVE-2026-78047
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Same weakness: CWE-200
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V. Comments for CVE-2026-78174
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