CVE-2026-50110

CRITICAL 9.2

Use of Hard-coded Credentials in StoneFly Storage Concentrator

CVSS Score

9.2

EPSS Score

0.0%

EPSS Percentile

0th

Storage Concentrator (SC & SCVM) contains hardcoded credentials for numerous internal services embedded within a configuration file. While the credentials are stored in an encoded format, the encoding can be reversed to plaintext. The exposed credentials span a broad range of internal services, including database accounts, licensing, replication services, and third-party integrations, meaning successful exploitation of this vulnerability could provide an attacker with unauthorized access to multiple interconnected systems.

CWE	CWE-798
Vendor	stonefly
Product	storage concentrator
Published	Jun 30, 2026

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CVSS v3 Breakdown

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

Low

Affected Versions

StoneFly / Storage Concentrator

0 < 8.0.4.26

StoneFly / Storage Concentrator Virtual Machine

0 < 8.0.4.26

References

NVD ↗ CVE.org ↗ EPSS Data ↗

cisa.gov: https://www.cisa.gov/news-events/ics-advisories/icsa-26-181-06 github.com: https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-181-06.json stonefly.com: https://stonefly.com/contact-us/

Credits

🔍 David Yesland of Rhino Security Labs reported this vulnerability to CISA.