Medium severity · published Oct 2, 2026
CVE-2026-104438
YesWiki before 4.6.7 Information Disclosure via listpagestag and includepages Actions
5.3
CVSS
0.3%
EPSS
No
On KEV
Description
YesWiki before 4.6.7 contains a missing authorization vulnerability in the listpagestag and includepages actions of the tags tool, which enumerate pages without applying read-ACL filtering. Unauthenticated or unprivileged attackers can embed these actions with a chosen tag or page name to disclose the names and body-derived titles of ACL-restricted pages.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
YE
yeswiki · YesWiki
before 4.6.7 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-104438
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-104438
vendor-advisory
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-hx4v-hjvg-9p6w
third-party-advisory
https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-information-disclosure-via-listpagestag-and-includepages-actions
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