CVE-2026-16027

Medium

Description

Server-Side request forgery (SSRF) vulnerability in Revenue Administration Türkiye's E-Signature allows Server Side Request Forgery. This issue affects Türkiye's E-Signature: from 2.4.4.0 before 2.5.1.0.

SeverityMedium
CVSS5.4
Exploit probability—
ProductE-Signature
PublishedAug 7, 2026
First seenAug 7, 2026

How to fix

Update
  • Revenue Administration E-Signature2.5.1.0 or later

Affected products

ProductAffected versionsFixed in
Revenue Administration E-Signature2.4.4.0 ≤ v < 2.5.1.02.5.1.0

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.