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Medium 5.4Published Aug 7, 2026
CVE-2026-16027Unauthenticated WebSocket-to-XAdES SSRF in Revenue Administration's E-Signature
Updated under an hour ago ()
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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
- 5.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
- Weakness (CWE)
- CWE-918
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- TR-CERT
- NVD analysis
- Deferred
- Record last updated
- Aug 7, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Revenue Administration E-Signature revenue_administration:e_signature (from the name) | from 2.4.4.0 before 2.5.1.0 | CNA record |
References
- https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0772government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.