Medium severity · published Oct 2, 2026
CVE-2026-104470
YesWiki before 4.6.7 SSRF via Bazar valeur Action url Parameter
5.0
CVSS
0.2%
EPSS
No
On KEV
Description
YesWiki before 4.6.7 contains a server-side request forgery vulnerability that allows page editors to make the server fetch arbitrary URLs via the url parameter of the Bazar valeur action. Attackers can embed the action with a champ parameter in wiki markup to reach loopback or internal services and partially read responses rendered into the page.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% 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-2026-104470
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-104470
vendor-advisory
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-6rvf-7pwm-6j44
patch
https://github.com/YesWiki/yeswiki/commit/22a5260b0381824e01d340ce9457c4adb9e18b23
third-party-advisory
https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-ssrf-via-bazar-valeur-action-url-parameter
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