CVE-2025-57794: Unrestricted File Upload Vulnerability in Explorance Blue

Severity: critical (CVSS 9.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-01-28 · updated 2026-06-17
Weakness: CWE-434

Description

Explorance Blue versions prior to 8.14.9 contain an authenticated unrestricted file upload vulnerability in the administrative interface. The application does not adequately restrict uploaded file types, allowing malicious files to be uploaded and executed by the server. This condition enables remote code execution under default configurations.

Affected products

Explorance Blue: before 8.14.9 — fixed in 8.14.9

How to fix

Upgrade to a fixed version: Explorance Blue 8.14.9. Check the vendor advisory for mitigations.

References

https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2026/MNDT-2026-0003.md
https://online-help.explorance.com/blue/articles/security-advisories-(january-2026)
https://online-help.explorance.com/blue/articles/security-advisory:-cve-2025-57794
https://www.explorance.com/products/blue

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