CVE-2026-1772
RTU500 Web Interface Information Disclosure
Description
RTU500 web interface: An unprivileged user can read user management information. The information cannot be accessed via the RTU500 web user interface but requires further tools like browser development utilities to access them without required privileges.
INFO
Published Date :
Feb. 24, 2026, 2:16 p.m.
Last Modified :
Feb. 27, 2026, 6:56 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-1772
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | e383dce4-0c27-4495-91c4-0db157728d17 | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Implement strict access controls for user management.
- Validate user privileges before data access.
- Remove sensitive data from unprivileged access.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-1772.
| URL | Resource |
|---|---|
| https://publisher.hitachienergy.com/preview?DocumentID=8DBD000237&LanguageCode=en&DocumentPartId=&Action=Launch | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-1772 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-1772
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-1772 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-1772 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Feb. 27, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Added CPE Configuration AND OR *cpe:2.3:o:hitachienergy:rtu520_firmware:*:*:*:*:*:*:*:* versions from (including) 12.7.1 up to (including) 12.7.7 *cpe:2.3:o:hitachienergy:rtu520_firmware:*:*:*:*:*:*:*:* versions from (including) 13.5.1 up to (including) 13.5.4 *cpe:2.3:o:hitachienergy:rtu520_firmware:*:*:*:*:*:*:*:* versions from (including) 13.6.1 up to (including) 13.6.2 *cpe:2.3:o:hitachienergy:rtu520_firmware:13.8.1:*:*:*:*:*:*:* *cpe:2.3:o:hitachienergy:rtu520_firmware:*:*:*:*:*:*:*:* versions from (including) 13.7.1 up to (excluding) 13.7.8 OR cpe:2.3:h:hitachienergy:rtu520:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hitachienergy:rtu530_firmware:*:*:*:*:*:*:*:* versions from (including) 12.7.1 up to (including) 12.7.7 *cpe:2.3:o:hitachienergy:rtu530_firmware:*:*:*:*:*:*:*:* versions from (including) 13.5.1 up to (including) 13.5.4 *cpe:2.3:o:hitachienergy:rtu530_firmware:*:*:*:*:*:*:*:* versions from (including) 13.6.1 up to (including) 13.6.2 *cpe:2.3:o:hitachienergy:rtu530_firmware:13.8.1:*:*:*:*:*:*:* *cpe:2.3:o:hitachienergy:rtu530_firmware:*:*:*:*:*:*:*:* versions from (including) 13.7.1 up to (excluding) 13.7.8 OR cpe:2.3:h:hitachienergy:rtu530:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hitachienergy:rtu540_firmware:*:*:*:*:*:*:*:* versions from (including) 12.7.1 up to (including) 12.7.7 *cpe:2.3:o:hitachienergy:rtu540_firmware:*:*:*:*:*:*:*:* versions from (including) 13.5.1 up to (including) 13.5.4 *cpe:2.3:o:hitachienergy:rtu540_firmware:*:*:*:*:*:*:*:* versions from (including) 13.6.1 up to (including) 13.6.2 *cpe:2.3:o:hitachienergy:rtu540_firmware:13.8.1:*:*:*:*:*:*:* *cpe:2.3:o:hitachienergy:rtu540_firmware:*:*:*:*:*:*:*:* versions from (including) 13.7.1 up to (excluding) 13.7.8 OR cpe:2.3:h:hitachienergy:rtu540:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hitachienergy:rtu560_firmware:*:*:*:*:*:*:*:* versions from (including) 12.7.1 up to (including) 12.7.7 *cpe:2.3:o:hitachienergy:rtu560_firmware:*:*:*:*:*:*:*:* versions from (including) 13.5.1 up to (including) 13.5.4 *cpe:2.3:o:hitachienergy:rtu560_firmware:*:*:*:*:*:*:*:* versions from (including) 13.6.1 up to (including) 13.6.2 *cpe:2.3:o:hitachienergy:rtu560_firmware:13.8.1:*:*:*:*:*:*:* *cpe:2.3:o:hitachienergy:rtu560_firmware:*:*:*:*:*:*:*:* versions from (including) 13.7.1 up to (excluding) 13.7.8 OR cpe:2.3:h:hitachienergy:rtu560:-:*:*:*:*:*:*:* Added Reference Type Hitachi Energy: https://publisher.hitachienergy.com/preview?DocumentID=8DBD000237&LanguageCode=en&DocumentPartId=&Action=Launch Types: Vendor Advisory -
New CVE Received by [email protected]
Feb. 24, 2026
Action Type Old Value New Value Added Description RTU500 web interface: An unprivileged user can read user management information. The information cannot be accessed via the RTU500 web user interface but requires further tools like browser development utilities to access them without required privileges. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-280 Added Reference https://publisher.hitachienergy.com/preview?DocumentID=8DBD000237&LanguageCode=en&DocumentPartId=&Action=Launch