CVE-2026-82657— Admidio before 5.0.12 Authentication Bypass via RSS feeds
Quick assessment
Affected
Admidio admidio
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Admidio 在 5.0.12 版本之前，其 RSS 订阅源端点（针对论坛和公告模块）未能强制执行“仅限登录用户”的模块访问限制。未经身份验证的攻击者可以通过向 或 发送 GET 请求，来获取论坛主题和公告，从而泄露帖子标题、完整正文内容、作者姓名及时间戳等信息。
Possible ATT&CK Techniques 1 AI
T1213 · Data from Information Repositories
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I. Basic Information for CVE-2026-82657
Vulnerability Information
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Vulnerability Title
Admidio before 5.0.12 Authentication Bypass via RSS feeds
Source: CVE Program / CVE List V5
Vulnerability Description
Admidio before 5.0.12 fails to enforce login-only module restrictions in RSS feed endpoints for forum and announcements modules. Unauthenticated attackers can retrieve forum topics and announcements by sending GET requests to rss/forum.php or rss/announcements.php, disclosing titles, full post text, author names, and timestamps.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-82657
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-82657 (2)
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🔗 Admidio before 5.0.12 Authentication Bypass via RSS feeds | Advisories | VulnCheck third-party-advisory
Same Patch Batch · Admidio · 2026-08-30 · 4 CVEs total
| CVE-2026-82655 | 7.5 HIGH | Admidio before 5.0.12 SQL Injection via relation_type_list |
| CVE-2026-82658 | 4.3 MEDIUM | Admidio before 5.0.12 Broken Access Control via profile_function.php |
| CVE-2026-82656 | 2.6 LOW | Admidio before 5.0.12 Path Traversal via Photo ZIP Download |
IV. Related Vulnerabilities
Same product: admidio
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CVE-2026-82658
Admidio before 5.0.12 Broken Access Control via profile_func -
CVE-2026-82656
Admidio before 5.0.12 Path Traversal via Photo ZIP Download -
CVE-2026-82655
Admidio before 5.0.12 SQL Injection via relation_type_list -
CVE-2026-47234
Admidio writes session IDs and auto-login cookie values to a -
CVE-2026-47233
Admidio: Any logged-in user can delete inventory fields via
Same vendor: Admidio
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CVE-2026-82658
Admidio before 5.0.12 Broken Access Control via profile_func -
CVE-2026-82656
Admidio before 5.0.12 Path Traversal via Photo ZIP Download -
CVE-2026-82655
Admidio before 5.0.12 SQL Injection via relation_type_list -
CVE-2026-47234
Admidio writes session IDs and auto-login cookie values to a -
CVE-2026-47233
Admidio: Any logged-in user can delete inventory fields via
Same weakness: CWE-200
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CVE-2026-81732
WWBN AVideo through 30.0 Information Disclosure via report4.
V. Comments for CVE-2026-82657
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