{"id":"CVE-2026-89263","title":"MoguBlog through 6.2 fails to authenticate requests to the /web/comment/closeEmailNotification endpoint, allowing unauthenticated attackers to disable email notifications for arbitrary users","summary":"MoguBlog through 6.2 fails to authenticate requests to the /web/comment/closeEmailNotification endpoint, allowing unauthenticated attackers to disable email notifications for arbitrary users. Remote callers can modify the startEmailNotif…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","cwe":["CWE-306"],"vendor":"moxi624","product":"MoguBlog","affected":["MoguBlog <= 6.2"],"published":"2026-09-11","updated":"2026-09-15","sourceUpdated":"2026-09-15T17:17:36.273","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-89263","references":[{"url":"https://gitee.com/moxi159753/mogu_blog_v2/releases","label":"disclosure@vulncheck.com"},{"url":"https://github.com/LinYuanyi1/cve-request-poc/blob/master/mogublog-poc/C08_comment_closeEmailNotification.py","label":"disclosure@vulncheck.com"},{"url":"https://github.com/moxi624/mogu_blog_v2","label":"disclosure@vulncheck.com"},{"url":"https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_web/src/main/java/com/moxi/mogublog/web/config/WebSecurityConfig.java","label":"disclosure@vulncheck.com"},{"url":"https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_web/src/main/java/com/moxi/mogublog/web/restapi/CommentRestApi.java","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/mogublog-through-6.2-missing-authentication-on-the-comment-email-notification-endpoint","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-15T16:21:07.875781Z"},"epss":0.0026,"epssPercentile":0.18053,"ingestedAt":"2026-09-11T16:45:47.862Z","slug":"CVE-2026-89263","body":"## Overview\n\nMoguBlog through 6.2 fails to authenticate requests to the /web/comment/closeEmailNotification endpoint, allowing unauthenticated attackers to disable email notifications for arbitrary users. Remote callers can modify the startEmailNotification flag in Redis cache for any user identifier to suppress reply notifications without authorization.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":204292,"id":"CVE-2026-89263","ts":1789490449423,"field":"exploit_available","old":"false","new":"true"}]}