CVE-2026-16027CWE-918ssrf

CVE-2026-16027

Medium · published August 7, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
14.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00240 · 14.2th percentile
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-08-07T12:16Z
References (1)
https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0772 · [email protected]
EPSS history
Timeline
  • 07 AUG 07:14Z
    Unauthenticated WebSocket-to-XAdES SSRF in Revenue Administration's E-Signature
    cvelistv5