XXE in Ministry of Justice's UYAP Document Editor

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-16999
StatePUBLISHED
AssignerTR-CERT
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-12 14:17:47 UTC
Updated2026-10-23 20:10:00 UTC
DescriptionImproper restriction of XML external entity reference vulnerability in Ministry of Justice UYAP Document Editor allows Serialized Data External Linking. This issue affects UYAP Document Editor: from 4.5.17 before 5.4.17.

Risk And Classification

Primary CVSS: v3.1 6.3 MEDIUM from [email protected]

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

EPSS: 0.001710000 probability, percentile 0.062160000 (date 2026-10-23)

Problem Types: CWE-611 | CWE-611 CWE-611 Improper restriction of XML external entity reference

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.3MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
3.1CNACVSS6.3MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Ministry Of Justice UYAP Document Editor affected 4.5.17 5.4.17 custom Not specified

References

ReferenceSourceLinkTags
siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0818 [email protected] siberguvenlik.gov.tr
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Mustafa Anıl YILDIRIM (en)

CNA: Begüm ERDAL (en)

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