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VULNERABILITIES

CVE-2026-8406 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

openSIS Classic 9.3 contains an insecure direct object reference vulnerability in the messaging module. Any authenticated user with access to the messaging module can request sent-message details from modules/messaging/SentMail.php by supplying an arbitrary mail_id value.

Metrics

CVSS 3.x Severity and Vector Strings:

NDDVolerionCVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://fluidattacks.com/es/advisories/melanie CISA-ADPAdvisoryContent Wall
https://fluidattacks.com/es/advisories/melanie [email protected]AdvisoryContent Wall
https://github.com/OS4ED/openSIS-Classic [email protected]Vendor
https://github.com/OS4ED/openSIS-Classic/commit/c45d43146167324bae06bdf09de3e4bd2e5e478f [email protected]Source CodeVendor

Weakness Enumeration

CWE-IDCWE NameSource
CWE-639Authorization Bypass Through User-Controlled Key[email protected]

Affected Products

ProductVersions
openSIS Classic
9.3

CPE

  • cpe:2.3:a:opensis:opensis:*:*:*:*:*:*:*:*

Remediation

  • Upgrade: 9.4moderate effort

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-8406
NVD Published Date:
Jun 11, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-8406 Details - Not Deferred