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CVE-2026-111665— Piranha CMS through 12.2 Missing Authorization in Manager Language API

Quick assessment

Affected
PiranhaCMS Piranha 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.

Piranha CMS 12.2 及更早版本存在一个授权缺失漏洞，位于 Piranha.Manager 的 LanguageApiController 中。该漏洞允许任何已认证的管理员用户，在无需细粒度的 Language、LanguageAdd、LanguageEdit 或 LanguageDelete 权限的情况下，列出、创建、编辑和删除站点语言。攻击者可直接调用 manager/api/language 接口中的 Get、Save 和 Delete 操作，从而删除语言并将站点重新分配至默认语言，进而影响整个实

CVSS 5.4 · Medium EPSS 0.28% · P19

Possible ATT&CK Techniques 1 AI

T1551.004

Affected Version Matrix 1

VendorProduct Version RangeStatus
PiranhaCMS Piranha CMS ≤ 12.2 affected
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I. Basic Information for CVE-2026-111665

Vulnerability Information
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Vulnerability Title
Piranha CMS through 12.2 Missing Authorization in Manager Language API
Source: CVE Program / CVE List V5
Vulnerability Description
Piranha CMS through 12.2 contains a missing authorization vulnerability in the Piranha.Manager LanguageApiController that allows any authenticated manager user to list, create, edit and delete site languages without the granular Language, LanguageAdd, LanguageEdit or LanguageDelete permissions. Attackers can call the manager/api/language Get, Save and Delete actions directly to remove languages and reassign sites to the default, affecting localized content instance-wide.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
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
PiranhaCMS Piranha CMS 0 ~ 12.2 -

II. Public POCs for CVE-2026-111665

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III. Intelligence Information for CVE-2026-111665

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Patches & Fixes for CVE-2026-111665 (1)

Vendor Advisories for CVE-2026-111665 (1)

Security Blog Posts for CVE-2026-111665 (1)

Other References for CVE-2026-111665 (1)

IV. Related Vulnerabilities

Same vendor: PiranhaCMS
Same weakness: CWE-862

V. Comments for CVE-2026-111665

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