Findings

Vulnerability · CVE-2026-40314

NamelessMC is website software for Minecraft servers.

Published Jun 2, 2026 · corrected/updated Jul 21, 2026 · evidence confidence medium

NamelessMC is website software for Minecraft servers. In version 2.2.4, only verifies that the wall post exists and does not enforce blocked/private-profile visibility. allows unauthenticated GET requests for reaction details. This means that unauthenticated visitors can read reaction participants and timestamps for private profile posts and uthenticated low-privileged users can add reactions to private or blocking profile posts. Version 2.2.5 fixes the issue.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2026-40314 is a medium public vulnerability record for this product. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether this product is in your estate, then compare installed versions with the affected ranges. Affected version ranges have not been ingested yet. Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 6.9. It is not currently listed in the CISA Known Exploited catalog. Weakness classes: CWE-862. Sources contributing to this record: nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Not listed as known exploited in CISA KEV. Not in CISA KEV or VulnCheck KEV.

  • Patch and remediation

    No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 2, 2026 · NIST NVD

    Detected

    NamelessMC is website software for Minecraft servers. In version 2.2.4, only verifies that the wall post exists and does not enforce blocked/private-profile visibility. allows unauthenticated GET requests for reaction details. This means that unauthenticated visitors can read reaction participants and timestamps for private profile posts and uthenticated low-privileged users can add reactions to p

  2. Jul 21, 2026 · NIST NVD

    Updated

    NamelessMC is website software for Minecraft servers. In version 2.2.4, only verifies that the wall post exists and does not enforce blocked/private-profile visibility. allows unauthenticated GET requests for reaction details. This means that unauthenticated visitors can read reaction participants and timestamps for private profile posts and uthenticated low-privileged users can add reactions to p

Sources

  • NIST NVDVulnerability recordCVE-2026-40314

    NamelessMC is website software for Minecraft servers. In version 2.2.4, only verifies that the wall post exists and does not enforce blocked/private-profile visibility. allows unauthenticated G

    nvd.nist.gov

References