CVE-2026-71206
HIGHshiori: JWT CheckToken Never Re-Validates Account State, Allowing Stale-Privilege Access After Deletion or Demotion
Title source: cnaDescription
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.
References (1)
Core 1
Core References
third-party-advisory
https://github.com/go-shiori/shiori
Scores
CVSS v3
8.3
EPSS
0.0022
EPSS Percentile
12.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-613
Status
published
Products (1)
go-shiori/shiori
Published
Aug 05, 2026
Tracked Since
Aug 05, 2026