Sign in
Deutsch English Español Polski
Medium

Weblate has Systematic User and Project Enumeration via Broken Authorization in REST API (IDOR)

  • Disclosed: 15.12.2025
  • Updated: 11.10.2026 12:19

Impact

It was possible to retrieve user notification settings or list all users via API.

Patches

References

Thanks to Hector Ruiz Ruiz & NaxusAI for responsibly disclosing this vulnerability to Weblate.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Python (PyPI) weblate < 5.15 5.15

References

CVSS score 4.3/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE)
CWE-284, CWE-285
Platform
Python (PyPI)
Package
weblate
Disclosed
15.12.2025
Updated
11.10.2026 12:19

Sources and licenses

OSV / GitHub Advisory Database - PYSEC-2025-233 - PyPA Advisory Database; CC BY 4.0

OSV / GitHub Advisory Database - GHSA-3pmh-24wp-xpf4 - CC BY 4.0

Vulnerability history: weblate

All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (36) in the archive
Total entries
36
First → latest
03.2017 08.2026
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Critical 1
  • High 6
  • Medium 22
  • Low 7

Disclosures per year

Severity:
  1. Weblate has IDOR in GroupViewSet that allows authenticated project manager to gain unauthorized read access to any private project
    High · 8.1 CVE-2026-55228 < 2026.7 2026.7
  2. Weblate: Privilege escalation in the user API endpoint
    High · 8.8 CVE-2026-34393 < 5.17 5.17
  3. Weblate: Arbitrary File Read via Symlink
    High · 7.7 CVE-2026-34242 < 5.17 5.17
  4. Weblate: Remote code execution during backup restoration
    High · 8.0 CVE-2026-33435 < 5.17 5.17
  5. Weblate is vulnerable to RCE through Git config file overwrite
    Critical · 9.1 CVE-2025-68398 < 5.15.1 5.15.1
  6. Weblate has an arbitrary file read via symbolic links
    High · 7.7 CVE-2025-68279 < 5.15.1 5.15.1
  7. Weblate has Systematic User and Project Enumeration via Broken Authorization in REST API (IDOR) this entry
    Medium · 4.3 CVE-2025-67715 < 5.15 5.15
  8. Weblate is a web based localization tool. Prior to version 5.11, when creating a new component from an existing component that has a source code repository URL specified in settings, this URL is inclu
    High · 7.5 CVE-2025-32021 < 5.11 5.11

Know which vulnerabilities affect your application

With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.

Connect your application
DockRay newsletter

Application security in your inbox

Important vulnerabilities, actionable guidance and practical advice for your applications. Choose your technologies and follow what matters to your project.

  • A daily digest of new vulnerabilities, critical ones included.
  • Notifications about important updates.
  • Practical advice on application security and monitoring.

Leave empty to receive updates for every technology.

Privacy policy

Free to subscribe. Unsubscribe with one click in any email.