PatchTheCEVCVE-2026-16999: Improper restriction of XML external entity reference vulnerability in Ministry of Justice UYAP Document Edito
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Routine
MEDIUM 6.3
CVE-2026-16999 is a medium-severity flaw (CVSS 6.3) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Improper 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.
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 6.3 (Medium) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 94%) |
| CISA exploited list | No |
| Weakness | CWE-611 |
| Published | 2026-08-12 |
| Last modified | 2026-10-23 |
Publisher (CNA): Computer Emergency Response Team of the Republic of Turkey
Timeline
- Published CVE record published
- Updated Record last modified
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Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.