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Vulnerability in Omega-PSIR software
26 February 2026 | CERT Polska | #vulnerability, #warning, #cve
CVE ID CVE-2026-1434
Publication date 26 February 2026
Vendor Politechnika Warszawska
Product Omega-PSIR
Vulnerable versions From 4.5.9 through 4.6.6
Vulnerability type (CWE) Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') (CWE-79)
Report source Report to CERT Polska

Description

CERT Polska has received a report about vulnerability in Omega-PSIR software and participated in coordination of its disclosure.

The vulnerability CVE-2026-1434: Omega-PSIR is vulnerable to Reflected XSS via the lang parameter. An attacker can craft a malicious URL that, when opened, causes arbitrary JavaScript to execute in the victim’s browser.

This issue was fixed in 4.6.7.

Credits

We thank Łukasz Rybak for the responsible vulnerability report.

More about the coordinated vulnerability disclosure process at CERT Polska can be found at https://cert.pl/en/cvd/.