SQL Injection Vulnerability in AppFlowy's Qcuiknote Feature
CVE-2026-16007

7.1HIGH

Key Information:

Vendor

Appflowy-io

Status
Appflowy-cloud
Vendor
CVE Published:
15 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-16007?

The Qcuiknote feature of AppFlowy is susceptible to SQL injection attacks. This vulnerability allows authenticated users to manipulate SQL queries, potentially enabling them to exfiltrate sensitive data from the underlying SQL database. It highlights the importance of securing applications against unauthorized data access.

Affected Version(s)

AppFlowy-Cloud 0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-16007 - Proof of Concept

References

https://projectblack.io/blog/appflowy-authenticated-sql-i...
exploitthird-party-advisory

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.