CVE-2026-114403

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Source
https://cve.org/CVERecord?id=CVE-2026-114403
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-114403.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-114403
Published
2026-10-21T12:39:55Z
Modified
2026-10-22T02:53:03Z
Severity
  • 9.2 (Critical) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
PHPOffice PHPPresentation through 1.2.0 Deserialization via Reader\Serialized::load
Details

PHPOffice PHPPresentation through 1.2.0 contains an insecure deserialization vulnerability that allows attackers to instantiate arbitrary PHP objects by supplying a crafted presentation file. Attackers can upload a ZIP containing PhpPresentation.xml that IOFactory::load passes to unserialize(), enabling gadget-chain code execution, file writes, or denial of service.

Database specific 
{
    "cna_assigner":  "VulnCheck",
    "cwe_ids":  [
        "CWE-502"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/114xxx/CVE-2026-114403.json"
}
References

Affected packages

Git / github.com/phpoffice/phppresentation

Affected ranges

Type
GIT
Repo
https://github.com/phpoffice/phppresentation
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last Affected
b9cdcd413e2d463ba3198f912f32716adc88f340
Database specific
Show details 
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "last_affected":  "1.2.0"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandardRange"
        }
    ]
}

Affected versions

0.*
0.2.0
0.3.0
0.4.0
0.5.0
0.6.0
0.7.0
0.8.0
0.9.0
1.*
1.0.0
1.1.0
1.2.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-114403.json"