YesWiki before 4.6.7 contains an access control bypass vulnerability that allows unauthenticated attackers to read restricted page content via the… (CVE-2026-104455)
YesWiki versions prior to 4.6.7 have an access control bypass vulnerability that permits unauthenticated attackers to read restricted page content. This occurs via the recentchangesrssplus RSS action, which allows retrieval of 500-character excerpts from the latest pages, including those that are read-restricted such as drafts and notes. The vulnerability has a medium severity rating with a CVSS score of 5.3.
AI Analysis
Technical Summary
YesWiki before version 4.6.7 contains an access control bypass vulnerability (CVE-2026-104455) that enables unauthenticated attackers to access restricted page content. The issue arises through the recentchangesrssplus RSS action, where attackers can request the XML method of a page hosting this action to obtain excerpts of up to 500 characters from the latest pages. This includes content that should be read-restricted, such as drafts and notes. The vulnerability is classified under CWE-200 (Exposure of Sensitive Information).
Potential Impact
An attacker without authentication can read excerpts of restricted content on YesWiki instances running vulnerable versions. This exposure includes drafts and notes that are intended to be access-controlled, potentially leading to unauthorized disclosure of sensitive information. The vulnerability does not impact integrity or availability.
Mitigation Recommendations
A fix is available in YesWiki version 4.6.7. Users should upgrade to version 4.6.7 or later to remediate this access control bypass vulnerability. No other mitigation details are provided.
YesWiki before 4.6.7 contains an access control bypass vulnerability that allows unauthenticated attackers to read restricted page content via the… (CVE-2026-104455)
Description
YesWiki versions prior to 4.6.7 have an access control bypass vulnerability that permits unauthenticated attackers to read restricted page content. This occurs via the recentchangesrssplus RSS action, which allows retrieval of 500-character excerpts from the latest pages, including those that are read-restricted such as drafts and notes. The vulnerability has a medium severity rating with a CVSS score of 5.3.
CVSS v3.1
Score 5.3medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
YesWiki before version 4.6.7 contains an access control bypass vulnerability (CVE-2026-104455) that enables unauthenticated attackers to access restricted page content. The issue arises through the recentchangesrssplus RSS action, where attackers can request the XML method of a page hosting this action to obtain excerpts of up to 500 characters from the latest pages. This includes content that should be read-restricted, such as drafts and notes. The vulnerability is classified under CWE-200 (Exposure of Sensitive Information).
Potential Impact
An attacker without authentication can read excerpts of restricted content on YesWiki instances running vulnerable versions. This exposure includes drafts and notes that are intended to be access-controlled, potentially leading to unauthorized disclosure of sensitive information. The vulnerability does not impact integrity or availability.
Mitigation Recommendations
A fix is available in YesWiki version 4.6.7. Users should upgrade to version 4.6.7 or later to remediate this access control bypass vulnerability. No other mitigation details are provided.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-x8xj-595c-jcc3
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-104455"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
Threat ID: 6abfee8aa43b0b3b89e54bf2
Added to database: 10/02/2026, 17:48:58 UTC
Last enriched: 10/02/2026, 17:58:15 UTC
Last updated: 10/02/2026, 21:45:59 UTC
Views: 3
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