Improper Authentication Vulnerability in karakeep App by karakeep
CVE-2026-75774

6.3MEDIUM

Key Information:

Vendor

Karakeep-app

Status
Karakeep
Vendor
CVE Published:
18 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-75774?

The karakeep app, specifically its OAuth Sign-In component, is affected by a vulnerability that allows for improper authentication. This flaw resides in an unspecified function within the 'apps/web/server/auth.ts' file and permits remote attacks. While executing this exploit may require a higher skill level, the issue has been publicly disclosed. Despite being informed of the vulnerability through a prior issue report, the project maintainers have yet to address the problem.

Affected Version(s)

karakeep 0.1

karakeep 0.2

karakeep 0.3

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-2026-75774 - Proof of Concept

References

https://vuldb.com/vuln/391520
vdb-entry
https://vuldb.com/vuln/391520/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-75774
third-party-advisory

CVSS V4

Score:
6.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

ZAST.AI (VulDB User)
VulDB CNA Team
.