CVE-2026-50093: File Upload RCE (CVSS 9)

Description

A vulnerability has been identified in Siveillance Control Pro V3.0 (All versions < V3.0.12.2173), Siveillance Control Pro V4.0 (All versions < V4.0.9.2178), Siveillance Control V3.0 (All versions < V3.0.22.2177), Siveillance Control V4.0 (All versions < V4.0.11.2177). A vulnerability in the OIS web module allows an attacker to upload arbitrary files to the server. Successful exploitation of this vulnerability could allow an attacker to gain root access on the host system, potentially leading to a full compromise of the affected OIS environment.

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CVSS v3.1 Score

9.0

CRITICAL

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

EPSS — Exploit Prediction

0.0019

Probability of exploitation

0.09%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-434 Unrestricted Upload

References

Other References

https://cert-portal.siemens.com/productcert/html/ssa-254516.html

Frequently Asked Questions

What is CVE-2026-50093? +

A vulnerability has been identified in Siveillance Control Pro V3.0 (All versions < V3.0.12.2173), Siveillance Control Pro V4.0 (All versions < V4.0.9.2178), Siveillance Control V3.0 (All versions < V3.0.22.2177), Siveillance Control V4.0 (All versions < V4.0.11.2177). A vulnerability in the OIS web module allows an attacker to upload arbitrary files to the server. Successful exploitation of this vulnerability could allow an attacker to gain root access on the host system, potentially leading to a full compromise of the affected OIS environment. It has a CVSS v3.1 base score of 9.0 (CRITICAL).

How severe is CVE-2026-50093? +

CVE-2026-50093 has a CVSS v3.1 score of 9.0 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0019, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-50093? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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