Goal Reached Thanks to every supporter β€” we hit 100%!

Goal: 1000 CNY Β· Raised: 1000 CNY

100.0%

CVE-2026-41571 β€” AI Deep Analysis Summary

CVSS 9.4 Β· Critical

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: A critical authentication bypass in Note Mark v0.19.2. πŸ“‰ **Consequences**: Attackers can hijack accounts (especially OIDC users) without knowing the real password.…

Q2Root Cause? (CWE/Flaw)

πŸ›‘οΈ **CWE-287**: Improper Authentication. πŸ” **Flaw**: The `IsPasswordMatch` function in `backend/db/models.go` has a logic bug.…

Q3Who is affected? (Versions/Components)

πŸ“¦ **Product**: Note Mark by enchant97. πŸ“… **Affected Version**: Specifically **v0.19.2**. ⚠️ **Component**: The backend authentication logic (`models.go`). Users with OIDC registration are most vulnerable.

Q4What can hackers do? (Privileges/Data)

πŸ”“ **Privileges**: Complete account takeover. πŸ“‚ **Data**: Access to all private notes and user data. 🎭 **Impact**: Attackers gain legitimate session tokens, appearing as the victim user.…

Q5Is exploitation threshold high? (Auth/Config)

πŸ“‰ **Threshold**: Extremely Low. 🚫 **Auth**: None required to exploit. 🀝 **UI**: No user interaction needed. 🌐 **Network**: Remote exploitation possible.…

Q6Is there a public Exp? (PoC/Wild Exploitation)

πŸ“œ **Public Exp**: No specific PoC code provided in the data. 🌍 **Wild Exp**: Likely low due to the specific "null" string requirement, but the logic flaw is trivial to script.…

Q7How to self-check? (Features/Scanning)

πŸ” **Check**: Scan for Note Mark v0.19.2 instances. πŸ§ͺ **Test**: Attempt login with a known OIDC user account using password "null".…

Q8Is it fixed officially? (Patch/Mitigation)

βœ… **Fixed**: Yes! Patched in **v0.19.3**. πŸ“₯ **Action**: Upgrade immediately to v0.19.3 or later. πŸ“ **Source**: Official GitHub release and security advisory (GHSA-pxf8-6wqm-r6hh) confirm the fix.

Q9What if no patch? (Workaround)

🚧 **Workaround**: If upgrading is impossible, restrict access to the internal login endpoint via firewall/WAF.…

Q10Is it urgent? (Priority Suggestion)

πŸ”₯ **Priority**: CRITICAL. 🚨 **Urgency**: High. CVSS Score indicates High Impact (Confidentiality/Integrity).…