SQL Injection in N/a

CVE-2026-51821

SQL Injection vulnerability in Shenzhou Shihan Video Conference System v.1.0 allows a remote attacker to execute arbitrary code via the /user/getUserLogin endpoint

Vulnerability class: SQL Injection

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (54.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-51821: held from 0.008 to 0.008.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-51821?
CVE-2026-51821 is a critical-severity vulnerability in N/a, classified under SQL Injection. CVSS score: 9.8/10. Published 2026-07-13.
How severe is CVE-2026-51821?
Critical severity. CVSS v3 base score is 9.8 out of 10.