CVE-2026-16027 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

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References

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

History

Fri, 07 Aug 2026 07:45:00 +0000

Type	Values Removed	Values Added
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.
Title		Unauthenticated WebSocket-to-XAdES SSRF in Revenue Administration of Türkiye's E-Signature
Weaknesses		CWE-918
References		https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0772
Metrics		cvssV3_1 `{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'}`

MITRE

Status: PUBLISHED

Assigner: TR-CERT

Published: 2026-08-07T07:14:12.771Z

Updated: 2026-08-07T07:14:12.771Z

Reserved: 2026-07-17T08:21:50.945Z

Link: CVE-2026-16027

Vulnrichment

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NVD

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Redhat

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OpenCVE Enrichment

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