YesWiki before 4.6.7 contains a server-side request forgery vulnerability in validateKeyIdUrl() that allows unauthenticated attackers to bypass the SSRF guard using 6to4, NAT64, or IPv4-compatible IPv6 addresses. Attackers can send a crafted Signature keyId to the public actor inbox route to reach cloud metadata, loopback services, or internal hosts.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Fri, 02 Oct 2026 11:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | YesWiki before 4.6.7 contains a server-side request forgery vulnerability in validateKeyIdUrl() that allows unauthenticated attackers to bypass the SSRF guard using 6to4, NAT64, or IPv4-compatible IPv6 addresses. Attackers can send a crafted Signature keyId to the public actor inbox route to reach cloud metadata, loopback services, or internal hosts. | |
| Title | YesWiki before 4.6.7 SSRF Guard Bypass via IPv6 Transition Addresses | |
| First Time appeared |
Yeswiki
Yeswiki yeswiki |
|
| Weaknesses | CWE-918 | |
| CPEs | cpe:2.3:a:yeswiki:yeswiki:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Yeswiki
Yeswiki yeswiki |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-10-02T14:10:28.799Z
Reserved: 2026-10-02T00:53:58.504Z
Link: CVE-2026-104458
No data.
Status : Deferred
Published: 2026-10-02T12:17:17.813
Modified: 2026-10-02T12:17:17.927
Link: CVE-2026-104458
No data.
OpenCVE Enrichment
Updated: 2026-10-02T14:30:24Z
Weaknesses