CVE-2026-34906
Wirtualna Uczelnia contains a Server-Side Template Injection vulnerability in the redirectToUrl endpoint that lets an unauthenticated attacker inject arbitrary template expressions, leading to remote code execution. The flaw affects versions up to wu#2016.437.295#0#20260327_105545 and carries a CVSS base score of 9.3 (critical).
No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.
Who is affected
Wirtualna Uczelnia versions up to wu#2016.437.295#0#20260327_105545
Real-world impact
An attacker can achieve remote code execution, potentially establishing a reverse shell or running arbitrary commands on the server.
Why this severity
CVSS 9.3 (Critical) reflects network‑adjacent, low‑complexity attack with no authentication or user interaction required, resulting in high impact to confidentiality, integrity, and availability.
What to do about it
No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.
No fix documented in sources
Timeline
- Jun 2, 2026 · Jun 2, 2026PublishedDisclosed and added to the National Vulnerability Database.
- Jul 22, 2026 · 13d agoAdvisory updatedThe NVD record was last revised.