CVE-2026-78174

Published Aug 28, 2026 CWE-200 CWE-269 CWE-532

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.

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Weakness Type (CWE)

CWE-200 CWE-200
CWE-269 CWE-269
CWE-532 CWE-532

References

Frequently Asked Questions

What is CVE-2026-78174? +
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.
How do I check if I'm vulnerable to CVE-2026-78174? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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