HOMEVULNERABILITIESCVE-2023-43805
HIGH

CVE-2023-43805

CWE-287Published: October 4, 2023· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2023-43805 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

nexryai1 product(s)
nexkey
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/nexryai/nexkey/commit/d89575c521fd4492f5e2ba5a221c5e8f1382081d
PATCHhttps://github.com/nexryai/nexkey/commit/d89575c521fd4492f5e2ba5a221c5e8f1382081d
ADVISORYhttps://github.com/nexryai/nexkey/security/advisories/GHSA-g8w5-568f-ffwf
ADVISORYhttps://github.com/nexryai/nexkey/security/advisories/GHSA-g8w5-568f-ffwf

All References (6)

→
https://github.com/misskey-dev/misskey/security/advisories/GHSA-9fj2-gjcf-cqqcNot Applicable
→
https://github.com/nexryai/nexkey/commit/d89575c521fd4492f5e2ba5a221c5e8f1382081dPatch
→
https://github.com/nexryai/nexkey/security/advisories/GHSA-g8w5-568f-ffwfVendor Advisory
→
https://github.com/misskey-dev/misskey/security/advisories/GHSA-9fj2-gjcf-cqqcNot Applicable
→
https://github.com/nexryai/nexkey/commit/d89575c521fd4492f5e2ba5a221c5e8f1382081dPatch
→
https://github.com/nexryai/nexkey/security/advisories/GHSA-g8w5-568f-ffwfVendor Advisory

Quick Facts

CVE IDCVE-2023-43805
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-287
CISA KEVNo
Affected1 vendor(s)
PublishedOct 4, 2023

Related CVEs (CWE-287)

CVE-2007-4548
10.0
CVE-2007-2719
10.0
CVE-2006-6997
10.0
CVE-2007-1062
10.0
CVE-2007-1160
10.0
CVE-2007-4747
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-43805 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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