CVE-2026-104445

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Source
https://cve.org/CVERecord?id=CVE-2026-104445
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-104445.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-104445
Aliases
  • GHSA-rm6r-grfg-4v78
Published
2026-10-02T11:38:19Z
Modified
2026-10-04T02:46:37Z
Severity
  • 8.8 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N CVSS Calculator
Summary
YesWiki before 4.6.7 Authentication Bypass via ActivityPub Inbox Actor Spoofing
Details

YesWiki before 4.6.7 contains an authentication bypass vulnerability in the ActivityPub inbox that fails to bind the verified HTTP signature signer to the activity actor. Unauthenticated attackers with any ActivityPub keypair can send signed Delete or Update activities referencing a mirrored entry's sourceUrl to delete or overwrite other actors' federated entries.

Database specific 
{
    "cna_assigner":  "VulnCheck",
    "cwe_ids":  [
        "CWE-290"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104445.json"
}
References

Affected packages

Git / github.com/yeswiki/yeswiki

Affected ranges

Type
GIT
Repo
https://github.com/yeswiki/yeswiki
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
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-2026-104445.json"