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CVE WatchSep 21, 2026

CVE-2026-79317

A session invalidation flaw exists in x-ui 0.3.2. The full user object is stored in a client-side signed cookie, and authentication only che

CVSS

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No CVSS

EPSS

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KEV

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Exploit Today

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0-100

Published: Sep 21, 2026 · Last modified: Sep 21, 2026

EPSS · 30d

Not enough EPSS history yet.

Technical description

A session invalidation flaw exists in x-ui 0.3.2. The full user object is stored in a client-side signed cookie, and authentication only checks that a user object can be retrieved from the cookie without re-validating against the database or any session version. When an administrator changes the username or password, previously issued session cookies are not revoked, so an attacker who holds a pre-change admin cookie can continue accessing and operating the management interface after the credentials have been rotated.

Official references
Related CVEs

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