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VULNERABILITIES

CVE-2026-104458 Details

UNDERGOING ENRICHMENT

The CVE is currently being enriched by the Volerion team. The enrichment process results in the association of reference link tags, CVSS, and CPE applicability statement data.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NDDVolerionCVSS-B:…Vector:This vulnerability is currently being analyzed.
CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-85f2-5r47-2pwm CISA-ADP
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-85f2-5r47-2pwm [email protected]
https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-ssrf-guard-bypass-via-ipv6-transition-addresses [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-918Server-Side Request Forgery (SSRF)[email protected]

Affected Products

This vulnerability is currently being analyzed

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-104458
NVD Published Date:
Oct 2, 2026
NVD Last Modified:
Oct 2, 2026
Source:
[email protected]
CVE-2026-104458 Details - Not Deferred