CVE-2026-34403

high

Published 2026-04-21 · Modified 2026-05-07

CVSS v3

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CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

CVSS v2

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VIR risk

8.0

Description

Nginx-UI: Cross-Site WebSocket Hijacking (CSWSH) via missing origin validation on all WebSocket endpoints

Predictions

Exploit likelihood

30%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

Package impact

Ecosystem	Package	Vulnerable	Fixed
Go	github.com/0xJacky/Nginx-UI	`<1.9.10-0.20260316053337-1a9cd29a3082`	`1.9.10-0.20260316053337-1a9cd29a3082`
GO	github.com/0xJacky/Nginx-UI	`< 1.9.10-0.20260316053337-1a9cd29a3082`	`1.9.10-0.20260316053337-1a9cd29a3082`

References

Verify integrity in audit chain (admin only). AS-IS.