CVE-2026-89264MoguBlog through 6.2 Comment Author Spoofing via Request-Body Identity
Updated under an hour ago ()
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It affects moxi624 MoguBlog. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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MoguBlog through 6.2 fails to validate the comment author identity in the POST /web/comment/add endpoint, allowing authenticated users to post comments attributed to any other user. Attackers can supply arbitrary userUid values in the request body to impersonate other accounts including administrators.
- CVSS
- 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- Weakness (CWE)
- CWE-639
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
moxi624 MoguBlog moxi624:mogublog (from the name) | through 6.2 | CNA record |
References
- https://github.com/LinYuanyi1/cve-request-poc/blob/master/mogublog-poc/C12_comment_add_author_spoof.pyexploit
- https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_web/src/main/java/com/moxi/mogublog/web/restapi/CommentRestApi.javatechnical-description
- https://gitee.com/moxi159753/mogu_blog_v2/releasesrelease-notes
- https://github.com/moxi624/mogu_blog_v2product
- https://www.vulncheck.com/advisories/mogublog-through-6.2-comment-author-spoofing-via-request-body-identitythird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.