WatchGuard Dimension up to 2.3.0 Test Configuration server-side request forgery

CVSS Meta Temp Score
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CTI Interest Score
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2.6$0-$5k0.97

Summaryinfo

A vulnerability, which was classified as problematic, has been found in WatchGuard Dimension up to 2.3.0. This affects an unknown function of the component Test Configuration. This manipulation causes server-side request forgery. This vulnerability is handled as CVE-2026-78498. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in WatchGuard Dimension up to 2.3.0 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component Test Configuration. The manipulation with an unknown input leads to a server-side request forgery vulnerability. The CWE definition for the vulnerability is CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. As an impact it is known to affect confidentiality. The summary by CVE is:

A server-side request forgery (SSRF) vulnerability WatchGuard Dimension Email Server Test configuration allows an authenticated privileged attacker to enumerate exposed network services on adjacent network systems.

The advisory is shared at psirt.watchguard.com. This vulnerability is known as CVE-2026-78498 since 08/24/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation needs additional levels of successful authentication. Neither technical details nor an exploit are publicly available.

Upgrading to version 2.3.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-67356). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 2.7
VulDB Meta Temp Score: 2.6

VulDB Base Score: 2.7
VulDB Temp Score: 2.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Dimension 2.3.1

Timelineinfo

08/24/2026 CVE reserved
08/28/2026 +4 days Advisory disclosed
08/28/2026 +0 days VulDB entry created
08/28/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: psirt.watchguard.com
Status: Confirmed

CVE: CVE-2026-78498 (🔒)
GCVE (CVE): GCVE-0-2026-78498
GCVE (VulDB): GCVE-100-396481
EUVD: 🔒

Entryinfo

Created: 08/28/2026 04:41
Updated: 08/28/2026 06:51
Changes: 08/28/2026 04:41 (66), 08/28/2026 06:51 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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