Vulnerability · CVE-2026-33398
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 checks whether the caller is logged in, then reads a post by attacker-controlled ID and returns its content. The backend helper in does not enforce forum or topic ACLs. In contrast, the normal topic page in enforces forum visibility and . Any low-privileged authenticated user can enumerate post IDs and read content from hidden, private, or staff-only forums. 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-2026-33398 is a high 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 7.1. It is not currently listed in the CISA Known Exploited catalog. Weakness classes: CWE-285. 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.
Jun 2, 2026 · NIST NVD
Detected
NamelessMC is website software for Minecraft servers. In version 2.2.4, only checks whether the caller is logged in, then reads a post by attacker-controlled ID and returns its content. The backend helper in does not enforce forum or topic ACLs. In contrast, the normal topic page in enforces forum visibility and . Any low-privileged authenticated user can enumerate post IDs and read content from h
Jul 21, 2026 · NIST NVD
Updated
NamelessMC is website software for Minecraft servers. In version 2.2.4, only checks whether the caller is logged in, then reads a post by attacker-controlled ID and returns its content. The backend helper in does not enforce forum or topic ACLs. In contrast, the normal topic page in enforces forum visibility and . Any low-privileged authenticated user can enumerate post IDs and read content from h
Sources
- NIST NVDVulnerability recordCVE-2026-33398
NamelessMC is website software for Minecraft servers. In version 2.2.4, only checks whether the caller is logged in, then reads a post by attacker-controlled ID and returns its content. The backend helper in `modules/Forum/classes
nvd.nist.gov