{"id":"CVE-2026-40571","summary":"NamelessMC: Reactions on private or blocking profile posts can be modified without proper authorization","details":"NamelessMC is website software for Minecraft servers. In version 2.2.4, `core/classes/Misc/ProfilePostReactionContext.php` only verifies that the wall post exists and does not enforce blocked/private-profile visibility. This means that authenticated low-privileged users can add reactions to private or blocking profile posts. Version 2.2.5 contains a patch.","aliases":["GHSA-47hr-jj6c-rqf9"],"modified":"2026-07-15T01:49:13.303754265Z","published":"2026-06-02T16:44:14.286Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-862"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40571.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40571.json"},{"type":"ADVISORY","url":"https://github.com/NamelessMC/Nameless/security/advisories/GHSA-47hr-jj6c-rqf9"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40571"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/namelessmc/nameless","events":[{"introduced":"a1ee7ef46718836a3a9a4408cb5bc7c5a08b7efc"},{"last_affected":"a1ee7ef46718836a3a9a4408cb5bc7c5a08b7efc"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"= 2.2.4"},{"last_affected":"= 2.2.4"}]}}],"versions":["= 2.2.4","v2.2.4"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40571.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N"}]}