Is CVE-2026-9519 actively exploited?

No active exploitation of CVE-2026-9519 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-9519 be exploited remotely?

Yes. CVE-2026-9519 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-9519?

CVE-2026-9519 has a CVSS score of 4.3 (MEDIUM).

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MEDIUM

CVE-2026-9519

CWE-79Published: May 26, 2026· Updated: May 26, 2026

4.3

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:9.1th

Official Description

A security flaw has been discovered in stonith404 pingvin-share up to 1.13.0. This affects the function getServerSideProps of the file frontend/src/pages/auth/signIn.tsx of the component Sign-in Auto-Redirect. The manipulation of the argument redirect results in cross site scripting. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

NVD Source

Technical Analysis

CVE-2026-9519 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.