CVE-2026-0859— TYPO3 CMS Allows Insecure Deserialization via Mailer File Spool
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I. Basic Information for CVE-2026-0859
Vulnerability Information
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Vulnerability Title
TYPO3 CMS Allows Insecure Deserialization via Mailer File Spool
Source: NVD (National Vulnerability Database)
Vulnerability Description
TYPO3's mail‑file spool deserialization flaw lets local users with write access to the spool directory craft a malicious file that is deserialized during the mailer:spool:send command, enabling arbitrary PHP code execution on the web server. This issue affects TYPO3 CMS versions 10.0.0-10.4.54, 11.0.0-11.5.48, 12.0.0-12.4.40, 13.0.0-13.4.22 and 14.0.0-14.0.1.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
可信数据的反序列化
Source: NVD (National Vulnerability Database)
Vulnerability Title
TYPO3 CMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TYPO3 CMS是TYPO3开源的一个内容管理系统。 TYPO3 CMS存在安全漏洞，该漏洞源于邮件文件暂存反序列化缺陷，可能导致任意PHP代码执行。以下版本受到影响：10.0.0版本至10.4.54版本、11.0.0版本至11.5.48版本、12.0.0版本至12.4.40版本、13.0.0版本至13.4.22版本和14.0.0版本至14.0.1版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-0859
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Same Patch Batch · TYPO3 · 2026-01-13 · 4 CVEs total
| CVE-2025-59021 | TYPO3 CMS Allows Broken Access Control in Redirects Module | |
| CVE-2025-59022 | TYPO3 CMS Allows Broken Access Control in Recycler Module | |
| CVE-2025-59020 | TYPO3 CMS Allows Broken Access Control in Edit Document Controller |
IV. Related Vulnerabilities
Same product: TYPO3 CMS
- CVE-2026-6553
TYPO3 CMS Stores Cleartext Password in User Settings Module - CVE-2025-59022
TYPO3 CMS Allows Broken Access Control in Recycler Module - CVE-2025-59021
TYPO3 CMS Allows Broken Access Control in Redirects Module - CVE-2025-59020
TYPO3 CMS Allows Broken Access Control in Edit Document Cont - CVE-2025-59019
Information Disclosure via CSV Download
Same vendor: TYPO3
- CVE-2026-6553
TYPO3 CMS Stores Cleartext Password in User Settings Module - CVE-2026-4208
Authentication Bypass in extension "E-Mail MFA Provider" (mf - CVE-2026-4202
Broken Access Control in extension "Redirect Tab" - CVE-2026-1323
Insecure Deserialization in extension "Mailqueue" (mailqueue - CVE-2026-0895
Insecure Deserialization in extension "Mailqueue" (mailqueue
Same weakness: CWE-502
- CVE-2026-44126
Insecure deserialization - CVE-2026-5127
User Frontend: AI Powered Frontend Posting, User Directory, - CVE-2026-41586
ObjectInputStream.readObject() without ObjectInputFilter in - CVE-2026-34084
PhpSpreadsheet SSRF and RCE via PHP stream wrappers in IOFac - CVE-2026-7712
MindsDB Pickle pickle.loads deserialization
V. Comments for CVE-2026-0859
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