VDB-396482 · CVE-2026-78499 · EUVD-2026-67346

WatchGuard Dimension up to 2.3.0 FTP Server server-side request forgery

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
2.6	$0-$5k	1.27+

Summaryinfo

A vulnerability, which was classified as problematic, was found in WatchGuard Dimension up to 2.3.0. This impacts an unknown function of the component FTP Server. Such manipulation leads to server-side request forgery. This vulnerability is uniquely identified as CVE-2026-78499. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in WatchGuard Dimension up to 2.3.0 and classified as problematic. Affected by this issue is some unknown functionality of the component FTP Server. The manipulation with an unknown input leads to a server-side request forgery vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality. CVE summarizes:

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

The advisory is available at psirt.watchguard.com. This vulnerability is handled as CVE-2026-78499 since 08/24/2026. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are required for exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 2.3.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-67346). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

WatchGuard

Name

Dimension

Version

License

commercial

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

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-2026-78499 (🔒)
GCVE (CVE): GCVE-0-2026-78499
GCVE (VulDB): GCVE-100-396482
EUVD: 🔒

Entryinfo

Created: 08/28/2026 04:42
Updated: 08/28/2026 06:51
Changes: 08/28/2026 04:42 (66), 08/28/2026 06:51 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.