CVE-2026-16999

MEDIUMCVSS 6.3/10EPSS 0.13%

Last modified

CVE-2026-16999 is a medium-severity vulnerability rated 6.3/10 on the CVSS scale. 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.. EPSS estimates a 0.13% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
0.13%

2.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

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

VendorProductVersions
Ministry of JusticeUYAP Document Editor>= 4.5.17, < 5.4.17

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-16999?
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.
How severe is CVE-2026-16999?
CVE-2026-16999 has a CVSS score of 6.3/10 (MEDIUM severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.
How do I fix CVE-2026-16999?
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.

How Strix Helps

Related CVEs from 2026

Are you affected by CVE-2026-16999?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST