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CVE-2026-16027 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L

CNA: [email protected]CVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0772	[email protected]	AdvisoryRemedy

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-918	Server-Side Request Forgery (SSRF)	[email protected]

Affected Products

Product	Versions
Revenue Administration Türkiye E-Signature	>= 2.4.4.0, < 2.5.1.0
CPE No CPEs found in CPE dictionary for this product. Remediation Upgrade: 2.5.1.0moderate effort

Change History

3 change records found show changes

Date	Action	Recorded By
Aug 7, 2026	CVE Modified	CISA-ADP
Aug 7, 2026	CVE Modified	[email protected]
Aug 7, 2026	New CVE Received	[email protected]