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CVE-2026-62249— Weblate: Restricted-component change history leaked to non-member project users through the nested `GET /api/projects/{slug}/changes/` endpoint

Quick assessment

Affected
WeblateOrg weblate
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.

WeblateOrg weblate是WeblateOrg组织的一款消息队列中间件。 WeblateOrg weblate 2026.7之前版本存在安全漏洞，该漏洞源于嵌套API变更端点未应用组件级访问检查，可能导致经过身份验证的用户检索受限组件的变更历史，造成信息泄露。

CVSS 4.3 · Medium EPSS 0.32% · P23

Possible ATT&CK Techniques 1 AI

T1070 · Indicator Removal

Affected Version Matrix 1

VendorProduct Version RangeStatus
WeblateOrg weblate < 2026.7 affected
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I. Basic Information for CVE-2026-62249

Vulnerability Information
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Vulnerability Title
Weblate: Restricted-component change history leaked to non-member project users through the nested `GET /api/projects/{slug}/changes/` endpoint
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, an authenticated user with access to a project can retrieve the change history of restricted components in that project through nested API change endpoints, even without permission to view those components directly. The nested endpoints do not apply the component-level access checks enforced on the direct component views, so the requester can enumerate changes for components that should be hidden from them. The exposed data can include the restricted component's identity, translation and unit links, and change payload fields such as source or translated string content in the target, old, and details values. 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:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
WeblateOrg weblate 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WeblateOrg weblate是WeblateOrg组织的一款消息队列中间件。 WeblateOrg weblate 2026.7之前版本存在安全漏洞，该漏洞源于嵌套API变更端点未应用组件级访问检查，可能导致经过身份验证的用户检索受限组件的变更历史，造成信息泄露。
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

Vendor Product Affected Versions CPE Subscribe
WeblateOrg weblate < 2026.7 -

II. Public POCs for CVE-2026-62249

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III. Intelligence Information for CVE-2026-62249

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Patches & Fixes for CVE-2026-62249 (1)

Vendor Advisories for CVE-2026-62249 (1)

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

CVE-2026-55228 8.1 HIGH Weblate:: WebIDOR in GroupViewSet allows authenticated project manager to gain unauthorize
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-2026-55227 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-200

V. Comments for CVE-2026-62249

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