CVE-2026-104455— YesWiki before 4.6.7 Read-ACL Bypass via recentchangesrssplus RSS Action
Quick assessment
Affected
YesWiki yeswiki
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.
在 YesWiki 4.6.7 版本之前存在一个访问控制绕过漏洞，该漏洞允许未经身份验证的攻击者通过 recentchangesrssplus RSS 动作读取受限页面内容。攻击者可以请求托管该动作的页面的 xml 方法，以获取所有最新页面的500字符正文摘要，包括受读访问限制的草稿和笔记。
Possible ATT&CK Techniques 1 AI
T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-104455
Vulnerability Information
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Vulnerability Title
YesWiki before 4.6.7 Read-ACL Bypass via recentchangesrssplus RSS Action
Source: CVE Program / CVE List V5
Vulnerability Description
YesWiki before 4.6.7 contains an access control bypass vulnerability that allows unauthenticated attackers to read restricted page content via the recentchangesrssplus RSS action. Attackers can request the xml method of a page hosting the action to retrieve 500-character body excerpts of every latest page, including read-restricted drafts and notes.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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-2026-104455
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Vendor Advisories for CVE-2026-104455 (2)
Same Patch Batch · YesWiki · 2026-10-02 · 36 CVEs total
| CVE-2026-104457 | 8.6 HIGH | YesWiki before 4.6.7 SQL Injection via filtertags filterN parameter |
| CVE-2026-104464 | 8.6 HIGH | YesWiki before 4.6.7 SSRF via Bazar abonnements sync actor parameter |
| CVE-2026-104445 | 8.2 HIGH | YesWiki before 4.6.7 Authentication Bypass via ActivityPub Inbox Actor Spoofing |
| CVE-2026-104448 | 8.1 HIGH | YesWiki before 4.6.7 CSRF Page Deletion via ajaxdeletepage Handler |
| CVE-2026-104467 | 8.1 HIGH | YesWiki before 4.6.7 Authorization Bypass via Public API Mode |
| CVE-2026-104443 | 8.1 HIGH | YesWiki before 4.6.7 Scope Bypass via Triples Delete API |
| CVE-2026-104456 | 7.6 HIGH | YesWiki before 4.6.7 Second-Order SQL Injection via ACL Username |
| CVE-2026-104462 | 7.5 HIGH | YesWiki before 4.6.7 SQL Injection via nuagetag tags parameter |
| CVE-2026-104460 | 7.5 HIGH | YesWiki before 4.6.7 Unauthenticated Blind SQL Injection via newtextsearch |
| CVE-2026-104472 | 7.5 HIGH | YesWiki before 4.6.7 Missing Authorization via Attachment Download Handler |
| CVE-2026-104470 | 7.4 HIGH | YesWiki before 4.6.7 SSRF and XSS via Bazar valeur Action |
| CVE-2026-104471 | 7.2 HIGH | YesWiki before 4.6.7 Unrestricted File Upload via Bazar CSV Import |
| CVE-2026-104444 | 7.1 HIGH | YesWiki before 4.6.7 Authorization Bypass via Comments API editComment |
| CVE-2026-104447 | 7.1 HIGH | YesWiki before 4.6.7 CSRF Package Deletion via autoupdate UpdateAction |
| CVE-2026-104463 | 7.0 HIGH | YesWiki before 4.6.7 Unauthenticated SSRF via ActivityPub Inbox |
| CVE-2026-104469 | 6.8 MEDIUM | YesWiki before 4.6.7 Session Fixation via Login in AuthController.php |
| CVE-2026-104450 | 6.5 MEDIUM | YesWiki before 4.6.7 ACL Bypass and Stored XSS via pointimage Action |
| CVE-2026-104458 | 6.5 MEDIUM | YesWiki before 4.6.7 SSRF Guard Bypass via IPv6 Transition Addresses |
| CVE-2026-104459 | 6.5 MEDIUM | YesWiki before 4.6.7 SSRF via ActivityPub WebFinger actor_handle |
| CVE-2026-104449 | 6.5 MEDIUM | YesWiki before 4.6.7 Unauthenticated Page Overwrite via Bazar id_fiche |
Showing top 20 of 36 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: yeswiki
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CVE-2026-104473
YesWiki before 4.5.3 Multiple Reflected XSS via BazaR and li -
CVE-2026-104472
YesWiki before 4.6.7 Missing Authorization via Attachment Do -
CVE-2026-104471
YesWiki before 4.6.7 Unrestricted File Upload via Bazar CSV -
CVE-2026-104469
YesWiki before 4.6.7 Session Fixation via Login in AuthContr -
CVE-2026-104470
YesWiki before 4.6.7 SSRF and XSS via Bazar valeur Action
Same vendor: YesWiki
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CVE-2026-104473
YesWiki before 4.5.3 Multiple Reflected XSS via BazaR and li -
CVE-2026-104472
YesWiki before 4.6.7 Missing Authorization via Attachment Do -
CVE-2026-104471
YesWiki before 4.6.7 Unrestricted File Upload via Bazar CSV -
CVE-2026-104469
YesWiki before 4.6.7 Session Fixation via Login in AuthContr -
CVE-2026-104470
YesWiki before 4.6.7 SSRF and XSS via Bazar valeur Action
Same weakness: CWE-200
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V. Comments for CVE-2026-104455
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