CVE-2026-104458

See a problem?
Please try reporting it to the source first.

Source

https://cve.org/CVERecord?id=CVE-2026-104458

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-104458.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-104458

Aliases

GHSA-85f2-5r47-2pwm

Published

2026-10-02T11:38:27Z

Modified

2026-10-04T02:46:39Z

Severity

8.3 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N CVSS Calculator

Summary

YesWiki before 4.6.7 SSRF Guard Bypass via IPv6 Transition Addresses

Details

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.

Database specific

{
    "cna_assigner":  "VulnCheck",
    "cwe_ids":  [
        "CWE-918"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104458.json"
}

References

Affected packages

Git / github.com/yeswiki/yeswiki

Affected ranges

Type

GIT

Repo

https://github.com/yeswiki/yeswiki

Events

Introduced

Fixed

07120ed8971047f504f7ec78060828f1895f475f

Database specific

Show details

{
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "fixed":  "4.6.7"
        }
    ],
    "source":  [
        "AFFECTED_FIELD",
        "DESCRIPTION"
    ]
}

Affected versions

v4.*

v4.1.0

v4.1.5

v4.2.0

v4.2.1

v4.2.2

v4.3.0

v4.3.1

v4.4.0

v4.4.1

v4.4.2

v4.4.3

v4.5.1

v4.5.2

v4.5.3

v4.5.4

v4.5.5

v4.6.0

v4.6.2

v4.6.3

v4.6.4

v4.6.5

v4.6.6

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-104458.json"