CVE-2023-43805

Nexkey allows users to bypass authentication of Bull dashboard

7.5 High

Nexkey is a fork of Misskey, an open source, decentralized social media platform. Prior to version 12.121.9, incomplete URL validation can allow users to bypass authentication for access to the job queue dashboard. Version 12.121.9 contains a fix for this issue. As a workaround, it may be possible to avoid this by blocking access using tools such as Cloudflare's WAF.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

0.80%Up 0.8 points since Oct 5, 2023

What each source reports

CVE List Score used 7.5

Nexkey allows users to bypass authentication of Bull dashboard

Record: CVE-2023-43805
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-287
Updated: 2026-11-02

EUVDEUVD-2023-48172 7.5

Record: EUVD-2023-48172
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-03

NVD 7.5

Record: CVE-2023-43805
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-287
Updated: 2026-11-02

OSV 7.5

Nexkey allows users to bypass authentication of Bull dashboard

Record: CVE-2023-43805
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-287
Updated: 2026-11-02

Affected products

nexryai nexkey

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-43805 is a high vulnerability (CVSS 7.5) in Nexryai Nexkey, published October 4, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.80%, the 56th percentile. No source names a fixed version.