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CVE-2026-55228— Weblate:: WebIDOR in GroupViewSet allows authenticated project manager to gain unauthorized read access to any private project

Quick assessment

Affected
WeblateOrg weblate
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Weblate 是一个基于 Web 的持续本地化平台，用于管理软件翻译。在 2026.7 之前的版本中，REST API 未正确执行项目级和工作区级团队的权限范围限制，允许用户通过 API 提交无效的团队成员配置。通过将项目分配给未经验证的团队，用户可以获得其本不应具备查看或管理权限的项目的访问权。此问题可能导致私有项目被泄露，并允许用户在超出其预期权限范围的情况下执行翻译、代码仓库及项目管理等操作。该问题已在 2026.7 版本中修复。

CVSS 8.1 · High
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I. Basic Information for CVE-2026-55228

Vulnerability Information
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Vulnerability Title
Weblate:: WebIDOR in GroupViewSet allows authenticated project manager to gain unauthorized read access to any private project
Source: CVE Program / CVE List V5
Vulnerability Description
Weblate is a web-based continuous localization platform used to manage software translations. In versions prior to 2026.7, the REST API did not properly enforce the scope of project- and workspace-scoped teams, allowing a user to submit invalid team configurations through the API. By assigning projects to a team via these unvalidated requests, a user could grant access to projects they were not authorized to see or manage. This could expose private projects and permit translation, repository, and project-management operations outside the user's intended permission scope. This issue is fixed in version 2026.7.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
WeblateOrg weblate < 2026.7 -

II. Public POCs for CVE-2026-55228

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7550 chars
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III. Intelligence Information for CVE-2026-55228

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Same Patch Batch · WeblateOrg · 2026-08-26 · 9 CVEs total

CVE-2026-61792 7.7 HIGH Weblate path traversal allows a project administrator to read arbitrary files via App stor
CVE-2026-62326 6.5 MEDIUM Weblate Has Uncontrolled Resource Consumption via
CVE-2026-77507 5.3 MEDIUM Weblate: Object-scoped RSS feeds disclose private change history to unauthorized users
CVE-2026-61790 4.4 MEDIUM Weblate: Team-enforced 2FA is bypassed for global permissions
CVE-2026-62249 4.3 MEDIUM Weblate: Restricted-component change history leaked to non-member project users through th
CVE-2026-55227 4.3 MEDIUM Observable object existence disclosure in private Weblate projects via globally scoped obj
CVE-2026-77508 3.5 LOW Weblate: Unverified REST API email changes
CVE-2026-77573 3.5 LOW Weblate: DNS rebinding in VCS operations allows server-side request forgery

IV. Related Vulnerabilities

Same product: weblate
Same vendor: WeblateOrg
Same weakness: CWE-639

V. Comments for CVE-2026-55228

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