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VULNERABILITIES

CVE-2026-34906 Details

ANALYZED

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

Description

Server-Side Template Injection (SSTI) in Wirtualna Uczelnia allows an unauthenticated attacker to perform Remote Code Execution (RCE). In the endpoint redirectToUrl and parameter redirectUrlParameter, insufficient input validation permits injection of arbitrary template expressions that are executed on the server. Successful exploitation can allow an attacker to run remote commands, including establishing a reverse shell. This issue affects Wirtualna Uczelnia versions up to wu#2016.437.295#0#20260327_105545

Metrics

CVSS 3.x Severity and Vector Strings:

NDDVolerionCVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://cert.pl/posts/2026/06/CVE-2026-34906 [email protected]AdvisoryBundleRemedy
https://simple.com.pl/branze/edukacyjna/ [email protected]Vendor

Weakness Enumeration

CWE-IDCWE NameSource
CWE-1336Improper Neutralization of Special Elements Used in a Template Engine[email protected]

Affected Products

ProductVersions
Simple SA Wirtualna Uczelnia
<= wu#2016.437.295#0#20260327_105545

CPE

  • No CPEs found in CPE dictionary for this product.

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-34906
NVD Published Date:
Jun 2, 2026
NVD Last Modified:
Jul 22, 2026
Source:
[email protected]