CVE-2026-41571 (GCVE-0-2026-41571)
Vulnerability from cvelistv5 – Published: 2026-05-04 17:42 – Updated: 2026-05-04 20:20
VLAI
EPSS
VEX
Title
Note Mark: OIDC-registered users authenticated by submitting password "null"
Summary
Note Mark is an open-source note-taking application. In version 0.19.2, IsPasswordMatch in backend/db/models.go falls back to a hard-coded bcrypt("null") placeholder whenever a user has no stored password. OIDC-registered users are created with an empty password, so anyone who submits password: "null" to the internal login endpoint receives a valid session for that user. The bypass is unauthenticated and requires no user interaction. This issue has been patched in version 0.19.3.
Severity
9.4 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-04 20:20 UTC
CWE
- CWE-287 - Improper Authentication
Assigner
GitHub_M
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/enchant97/note-mark/security/a… | x_refsource_CONFIRM |
| https://github.com/enchant97/note-mark/releases/t… | x_refsource_MISC |
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Browse all ATT&CK techniques and the vulnerabilities related to each.
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