CVE-2026-111665

EUVD-2026-102956

16.10.2026, 18:17

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.

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	5.4 MEDIUM	NETWORK	LOW	LOW	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Awaiting analysis

This vulnerability is currently awaiting analysis.

Base Score

CVSS 3.x

EPSS Score

Percentile: 19.17%

Common Weakness Enumeration

CWE-862 - Missing Authorization
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.

References

https://github.com/PiranhaCMS/piranha.core/blob/v12.2/core/Piranha.Manager/Controllers/LanguageApiController.cs#L21-L89

https://github.com/PiranhaCMS/piranha.core/blob/v12.2/core/Piranha.Manager/Services/LanguageService.cs#L84-L110

https://hackmd.io/@hieuPenguinnn/piranha-cms-manager-language-api-missing-permission

https://www.vulncheck.com/advisories/piranha-cms-through-12.2-missing-authorization-in-manager-language-api

https://hackmd.io/@hieuPenguinnn/piranha-cms-manager-language-api-missing-permission