Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-71206— shiori - JWT CheckToken Never Re-Validates Account State, Allowing Stale-Privilege Access After Deletion or Demotion

Quick assessment

Affected
go-shiori shiori
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

go-shiori shiori是go-shiori个人开发者开源的一款书签管理工具。 go-shiori shiori存在会话机制问题漏洞，该漏洞源于internal/domains/auth.go中的CheckToken函数仅验证JWT的HMAC签名并返回嵌入的claims.Account对象，未重新从数据库获取账户，且没有会话存储或令牌撤销机制，导致已删除或降级的账户令牌仍以原所有者权限继续认证，可能造成权限提升。

CVSS 8.2 · High EPSS 0.37% · P29

Affected Version Matrix 1

VendorProduct Version RangeStatus
go-shiori shiori affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-71206

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
shiori - JWT CheckToken Never Re-Validates Account State, Allowing Stale-Privilege Access After Deletion or Demotion
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的会话过期机制
Source: CVE Program / CVE List V5
Vulnerability Title
go-shiori shiori 会话机制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
go-shiori shiori是go-shiori个人开发者开源的一款书签管理工具。 go-shiori shiori存在会话机制问题漏洞，该漏洞源于internal/domains/auth.go中的CheckToken函数仅验证JWT的HMAC签名并返回嵌入的claims.Account对象，未重新从数据库获取账户，且没有会话存储或令牌撤销机制，导致已删除或降级的账户令牌仍以原所有者权限继续认证，可能造成权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
go-shiori shiori 0 -

II. Public POCs for CVE-2026-71206

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8053 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-71206

请登录查看更多情报信息。

IV. Related Vulnerabilities

Same product: shiori
Same vendor: go-shiori
Same weakness: CWE-613

V. Comments for CVE-2026-71206

No comments yet

Leave a comment