CVE-2026-41571

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.

Affected Software

Weaknesses

• CWE-287: CWE-287: Improper Authentication

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: total

Additional References

• https://github.com/enchant97/note-mark/security/advisories/GHSA-pxf8-6wqm-r6hh

References

• https://github.com/enchant97/note-mark/security/advisories/GHSA-pxf8-6wqm-r6hh
• https://github.com/enchant97/note-mark/releases/tag/v0.19.3

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