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CVE-2026-77132— TYPO3 CMS - Information Disclosure via Backend Localization Wizard

Quick assessment

Affected
TYPO3 TYPO3 CMS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

译文： 已发现，后端本地化向导所使用的多个 AJAX 路由未能执行权限检查。这使得经过身份验证的低权限后端用户能够访问其授权范围之外的记录和内容元素的信息。利用此漏洞需要一个低权限后端用户账号。该问题影响以下 TYPO3 CMS 版本：10.0.0–10.4.59、11.0.0–11.5.53、12.0.0–12.4.48、13.0.0–13.4.34 和 14.0.0–14.3.6。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1210 · Exploitation of Remote Services
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I. Basic Information for CVE-2026-77132

Vulnerability Information
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Vulnerability Title
TYPO3 CMS - Information Disclosure via Backend Localization Wizard
Source: CVE Program / CVE List V5
Vulnerability Description
It has been discovered that several AJAX routes used for the backend localization wizard failed to perform authorization checks. This allowed authenticated, low-privileged backend users to access information about records and content elements that fall outside of their permitted range. Exploiting this vulnerability requires a low-privileged backend user account. This issue affects TYPO3 CMS versions 10.0.0-10.4.59, 11.0.0-11.5.53, 12.0.0-12.4.48, 13.0.0-13.4.34 and 14.0.0-14.3.6.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
TYPO3 TYPO3 CMS 10.0.0 ~ 10.4.60 -

II. Public POCs for CVE-2026-77132

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III. Intelligence Information for CVE-2026-77132

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Patches & Fixes for CVE-2026-77132 (3)

Vendor Advisories for CVE-2026-77132 (1)

IV. Related Vulnerabilities

Same product: TYPO3 CMS
Same vendor: TYPO3
Same weakness: CWE-862

V. Comments for CVE-2026-77132

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