CVE-2026-93014 RosarioSIS CVE debrief

Who should care

Defenders and administrators of RosarioSIS installations, especially those with authenticated users having access to file management functionality, should assess exposure and prioritize remediation.

Why it matters

CVE-2026-93014 is a high-severity vulnerability in RosarioSIS versions before 12.9, allowing authenticated users to delete files via path traversal. Defenders should prioritize verifying and remediating this vulnerability, especially in systems where authenticated users have access to file management functionality.

• Verify RosarioSIS version and apply patch 12.9 or later to prevent file deletion via path traversal
• Restrict access to file management functionality for authenticated users to limit potential damage
• Monitor for suspicious file deletion activity to detect potential exploitation

Technical summary

The vulnerability is caused by a lack of validation in the filename request parameter in Users and Students modules, allowing attackers to use parent-directory sequences to escape upload directories and delete files. This can lead to unauthorized file deletion and potential system compromise. The vulnerability has a CVSS score of 7.1 and is considered high severity. The CVE record was published on 2026-09-17T16:18:35.670Z and was last modified on 2026-09-22T20:43:58.793Z. Defenders should prioritize verifying and remediating this vulnerability, especially in systems where authenticated users have access to file management functionality.

Defensive priority

Defenders should prioritize verifying and remediating this vulnerability, especially in systems where authenticated users have access to file management functionality.

Recommended defensive actions

• Verify RosarioSIS version and apply patch 12.9 or later
• Restrict access to file management functionality for authenticated users
• Monitor for suspicious file deletion activity
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The vulnerability is caused by a lack of validation in the filename request parameter in Users and Students modules, allowing attackers to use parent-directory sequences to escape upload directories and delete files. The evidence is based on the CVE record and references from Vulncheck and other sources.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.