CVE-2026-71206highCWE-613

CVE-2026-71206: high-severity vulnerability in go-shiori shiori

shiori - JWT CheckToken Never Re-Validates Account State, Allowing Stale-Privilege Access After Deletion or Demotion

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41Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 8.2epss 0.4%
from disclosure to weapon11 days
Published on NVDAug 5
1st PoC+11d
Shiori's CheckToken function (internal/domains/auth.go) validates only the JWT's HMAC signature and returns the embedded claims.Account object unmodified, never re-fetching the account from the database. No session store or token-revocation mechanism exists in the codebase.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Affected products
go-shiori · shiori
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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