CVE-2026-16999
XXE in Ministry of Justice's UYAP Document Editor
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
6.3
XXE in Ministry of Justice's UYAP Document Editor
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.
- Record
CVE-2026-16999- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N - Weakness
- CWE-611
- Updated
- 2026-11-02
EUVDEUVD-2026-57212
6.3
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.
- Record
EUVD-2026-57212- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-vw7v-jmvx-4grc
6.3
Improper restriction of XML external entity reference vulnerability in Ministry of Justice UYAP...
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.
- Record
GHSA-vw7v-jmvx-4grc- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N - Weakness
- CWE-611
- Updated
- 2026-11-02
NVD
6.3
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.
- Record
CVE-2026-16999- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N - Weakness
- CWE-611
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-16999 is a medium vulnerability (CVSS 6.3) in Ministry Of Justice Uyap Document Editor, published August 12, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.17%, the 6th percentile. No source names a fixed version.