CVE-2026-52777

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Source
https://cve.org/CVERecord?id=CVE-2026-52777
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-52777.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-52777
Aliases
Published
2026-09-04T23:51:46Z
Modified
2026-10-28T02:30:23Z
Severity
  • 9.4 (Critical) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H CVSS Calculator
Summary
YesWiki: Authenticated PHP Object Injection in BazarImportAction via unserialize
Details

YesWiki is a wiki system written in PHP. Prior to version 4.6.6, there is an authenticated PHP object injection vulnerability in BazarImportAction via unserialize. This issue has been patched in version 4.6.6.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-352",
        "CWE-502"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52777.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
fa81922f4103630911cbea98ead3c4b7bc786e19
Fixed
8f70a8d6b8befa0e644d03c785701dbbc55b8fd0
Database specific
Show details 
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "fixed": "4.6.6"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StringRangeExpression"
        },
        {
            "range": [
                {
                    "fixed": "8f70a8d6b8befa0e644d03c785701dbbc55b8fd0"
                }
            ],
            "source": "REFERENCES_COMMIT"
        },
        {
            "original_tag": "v4.6.6",
            "range": [
                {
                    "fixed": "fa81922f4103630911cbea98ead3c4b7bc786e19"
                }
            ],
            "source": "REFERENCES_TAG"
        }
    ]
}

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-52777.json"