{"id":"CVE-2026-89262","title":"MoguBlog through 6.2 Arbitrary Comment Deletion via Request-Body Ownership Check","summary":"MoguBlog through 6.2 contains an authorization bypass vulnerability in the comment deletion endpoint that performs ownership checks against request-body fields instead of the authenticated principal. Attackers can delete arbitrary commen…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","cvssSource":"cna","cwe":["CWE-639"],"vendor":"moxi624","product":"MoguBlog","affected":["MoguBlog <= 6.2"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-11T18:17:11.892135Z"},"exploitAvailable":true,"published":"2026-09-11","updated":"2026-09-11","sourceUpdated":"2026-09-11T18:17:21.130Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89262","references":[{"url":"https://github.com/LinYuanyi1/cve-request-poc/blob/master/mogublog-poc/C04_comment_delete_idor.py","label":"C04 - POST /web/comment/delete proof of concept"},{"url":"https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_web/src/main/java/com/moxi/mogublog/web/restapi/CommentRestApi.java","label":"CommentRestApi.deleteBatch compares the stored author uid against a request-body field"},{"url":"https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_web/src/main/java/com/moxi/mogublog/web/config/WebSecurityConfig.java","label":"mogu_web WebSecurityConfig permits /web/comment/** for all callers"},{"url":"https://gitee.com/moxi159753/mogu_blog_v2/releases","label":"MoguBlog releases"},{"url":"https://github.com/moxi624/mogu_blog_v2","label":"Product"},{"url":"https://www.vulncheck.com/advisories/mogublog-through-6.2-arbitrary-comment-deletion-via-request-body-ownership-check","label":"VulnCheck Advisory: MoguBlog through 6.2 Arbitrary Comment Deletion via Request-Body Ownership Check"}],"tags":["cve.org","exploit-available"],"epss":0.00309,"epssPercentile":0.2389,"ingestedAt":"2026-09-14T00:35:28.535Z","slug":"CVE-2026-89262","body":"## Overview\n\nMoguBlog through 6.2 contains an authorization bypass vulnerability in the comment deletion endpoint that performs ownership checks against request-body fields instead of the authenticated principal. Attackers can delete arbitrary comments and their replies by supplying comment UIDs and author UIDs obtained from unauthenticated listing endpoints.\n\n## Affected\n\n- `MoguBlog <= 6.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":95607,"id":"CVE-2026-89262","ts":1789156664421,"field":"exploit_available","old":"false","new":"true"}]}