CVE-2026-78174CWE-200CWE-269CWE-532privilege-escalationinformation-disclosure

CVE-2026-78174

published August 28, 2026

CVSS
9.3
EPSS
0%
Percentile
36.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
9.3 · NONE
CVSS v4.0
9.3 · 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
EPSS
0.00428 · 36.0th percentile
Weaknesses
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor; CWE-269 · Improper Privilege Management; CWE-532 · Insertion of Sensitive Information into Log File
Published
2026-08-28T06:16Z
References (1)
https://psirt.watchguard.com/CVE-2026-78174 · 5d1c2695-1a31-4499-88ae-e847036fd7e3
EPSS history
Timeline
  • 27 AUG 23:26Z
    WatchGuard Dimension Session Hijack via Exposed Session Tokens in Diagnostic Logs
    cvelistv5