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CVE-2026-16027

MEDIUMCVSS 5.4/10EPSS 0.18%

Last modified

CVE-2026-16027 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

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 3.1
5.4/10

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

EPSS Probability
0.18%

8.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
Revenue AdministrationE-Signature>= 2.4.4.0, < 2.5.1.0

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-16027?
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.
How severe is CVE-2026-16027?
CVE-2026-16027 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2026-16027?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST