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TI-2026-54370 Aliases CVE-2026-78174GHSA-8xpm-cmp9-mq75

WatchGuard Dimension Session Hijack via Exposed Session Tokens in Diagnostic Logs

Priority MEDIUM 40CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure, Privilege escalation
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-200 and CWE-269.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00428 37th percentileScored 2026-11-07
Fix Fixed Dimension (WatchGuard): 2.3.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
WatchGuardDimension2.0 to before 2.3.12.3.1Patch availableCNA
  • Dimension VendorWatchGuard Affected 2.0 to before 2.3.1 Fixed in 2.3.1 Patch available CNA

Remediation

  • Fix · CNA Dimension (WatchGuard) Fixed in 2.3.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    WatchGuard Dimension 2.3.1

    16 records Highest priority Priority MEDIUM 4 MEDIUM, 12 LOW

    Other records, highest priority first

    • TI-2026-54662 Dimension SQL Injection in Audit ReportPriority MEDIUM 40
    • TI-2026-54661 Dimension SQL Injection in Log ViewerPriority MEDIUM 40
    • TI-2026-54660 Dimension SQL Injection in Scheduled ReportPriority MEDIUM 40
    Show all 16 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-78174
  2. 2026-10-03 Alias added: GHSA-8xpm-cmp9-mq75

References

Advisory 1

  • TI-2022-09698 On WatchGuard Firebox and XTM appliances, an unauthenticated user can execute arbitrary… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-13451 WatchGuard Firebox iked Out of Bounds Write Vulnerability KEVCVSS 4.0CRITICAL 9.3
  • TI-2025-08474 WatchGuard Firebox iked Out of Bounds Write Vulnerability KEVCVSS 4.0CRITICAL 9.3
  • TI-2022-07330 WatchGuard Firebox and XTM appliances allow a remote attacker with unprivileged… KEVCVSS 3.1HIGH 8.8
  • TI-2023-19293 A DLL hijacking vulnerability in Panda Security VPN for Windows prior to version v15.14.8… CVSS 3.1MEDIUM 6.5
  • TI-2015-04587 Watchguard XCS 9.2 and 10.0 before build 150522 allow remote authenticated users to… CVSS 2.0MEDIUM 6.5
See all 203 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences