CVE-2026-8406

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.

CVSS

No CVSS.

References

Link	Resource
https://fluidattacks.com/es/advisories/melanie
https://github.com/OS4ED/openSIS-Classic
https://github.com/OS4ED/openSIS-Classic/commit/c45d43146167324bae06bdf09de3e4bd2e5e478f
https://fluidattacks.com/es/advisories/melanie

Configurations

No configuration.

History

11 Jun 2026, 16:16

Type	Values Removed	Values Added
References	~~() https://fluidattacks.com/es/advisories/melanie -~~	() https://fluidattacks.com/es/advisories/melanie -

11 Jun 2026, 14:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-11 14:16

Updated : 2026-06-11 16:16

NVD link : CVE-2026-8406

Mitre link : CVE-2026-8406

CVE.ORG link : CVE-2026-8406

JSON object : View

Products Affected

No product.

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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