CVE-2026-16027 — MEDIUM (5.4)

Vulnerability 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.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-918

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0772

FAQ

What is CVE-2026-16027?

CVE-2026-16027 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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....

How severe is CVE-2026-16027?

CVE-2026-16027 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-16027?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.