VulnSocial

CVE-2026-71206Disclosure

LOWCVSS 8.3 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.5/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-613

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

  • Patch or workaround signal is available
  • 1 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-08-05: 1Patch / Workaround · 2026-08-05: 1Technical Details · 2026-08-05: 108-05
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Hugo | DevOps | Cybersecurity 🇱🇻@HugoValters
    Disclosure

    CVE-2026-71206 - Auth flaw in Shiori. Deleted/demoted users keep owner-level access via unrevoked JWT tokens. CVSS 8.3. No patch yet. Audit and rotate tokens immediately. #CVE #infosec #Shiori https://www.valtersit.com/cve/CVE-2026-71206/ #CVE #Linux #infosec #infosec #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #ethicalhacking #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu

    Post summary

    A newly disclosed authentication flaw in Shiori (CVE‑2026‑71206) allows deleted or demoted users to retain owner‑level access through unrevoked JWT tokens; no patch is available yet, but administrators should audit and rotate tokens.

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