CVE-2026-16027
Unauthenticated WebSocket-to-XAdES SSRF in Revenue Administration's E-Signature
- State
- Published
- Severity
- 5.4 Medium
- Published
- Aug 7, 2026
- Updated
- Aug 7, 2026
- Reserved
- Jul 17, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.4 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N | TR-CERT |
Weaknesses
- CWE-918 Server-Side request forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
E-SignatureRevenue Administration |
|
References
- https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0772government-resource
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