CVE-2026-104464

HIGH 8.6

YesWiki before 4.6.7 SSRF via Bazar abonnements sync actor parameter

CVSS Score

8.6

EPSS Score

0.0%

EPSS Percentile

0th

YesWiki before 4.6.7 contains a server-side request forgery vulnerability that allows unauthenticated attackers to make server-side GET requests by supplying an unvalidated actor URL to the Bazar abonnements sync action. Attackers can target internal hosts or cloud metadata endpoints and chain attacker-controlled outbox first/next links, with fetched responses stored as readable Bazar entries.

CWE	CWE-918
Vendor	yeswiki
Product	yeswiki
Published	Oct 2, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

Low

Affected Versions

YesWiki / yeswiki

0 < 4.6.7

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/YesWiki/yeswiki/security/advisories/GHSA-wcjp-v62j-p5xm vulncheck.com: https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-ssrf-via-bazar-abonnements-sync-actor-parameter

Credits

🔍 manus-use