CVE-2025-64725: Weblate Weblate Has Improper Validation Upon Vulnerability

LOW
Advisory Identifier: GHSA-m6hq-f4w9-qrjj
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CWE-286
Published
Advisory Summary

CVE-2025-64725 is a LOW weblate has improper validation upon vulnerability (CWE-286: Incorrect User Management) affecting Weblate libraries in the PyPI ecosystem. The issue involves weblate has improper validation upon invitation acceptance. Remediation is available by upgrading affected packages to version 5.15.

CVE-2025-64725 at a Glance

CVE Identifier CVE-2025-64725
GHSA Identifier GHSA-m6hq-f4w9-qrjj
Severity LOW
CVSS v3.1 Base Score N/A
CWE Classification CWE-286: Incorrect User Management
Affected Product Weblate
Package Ecosystem PyPI
Published Date
Last Updated

How to Fix CVE-2025-64725

To remediate this vulnerability, upgrade all affected Weblate dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

Weblate fixed: 5.15 
pip install Weblate>=5.15
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

pip show Weblate

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2025-64725, inspect your installed packages using pip:

pip show Weblate

Analyze the terminal output to locate any version of Weblate in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 5.15), your application is affected.

Note: The pip show Weblate command checks currently installed packages in your active Python environment.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-286: Incorrect User Management, where the product does not properly manage a user within its environment. In Weblate, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

### Impact It was possible to accept an invitation opened by a different Weblate user. ### Patches * https://github.com/WeblateOrg/weblate/pull/16913 ### Workarounds Users should avoid leaving Weblate sessions with an unattended opened invitation. ### References Thanks to Nahid0x for responsibly disclosing this vulnerability to Weblate.

CVE-2025-64725 Affected Weblate Versions

1 component(s)
Fixed Versions:
5.15
Product / Package Ecosystem Affected Versions Fixed Version
Weblate
pypi/Weblate
PyPI
< 5.15
5.15

References

GitHub Advisory / Wiki ADVISORY
https://github.com/WeblateOrg/weblate/security/advisories/GHSA-m6hq-f4w9-qrjj
NVD — CVE-2025-64725 NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-64725
Weblate Source Repository REPOSITORY
https://github.com/WeblateOrg/weblate/pull/16913
Security Fix Commit FIX COMMIT
https://github.com/WeblateOrg/weblate/commit/02e904675f0608a6bbfbf9466eeccd9d022591e9
Weblate Source Repository REPOSITORY
https://github.com/WeblateOrg/weblate
Weblate Release RELEASE
https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.15

Frequently Asked Questions

What is CVE-2025-64725?
CVE-2025-64725 is a security vulnerability in Weblate involving Weblate has improper validation upon invitation acceptance under CWE-286: Incorrect User Management.
Which Weblate versions are affected?
Affected versions include releases prior to 5.15 across affected packages: Weblate.
What version fixes CVE-2025-64725?
Upgrading to 5.15 (or the latest patched release for your respective branch) resolves the vulnerability.
Is Weblate affected?
Yes, Weblate is affected in releases prior to 5.15. Upgrade your dependency to 5.15 or later.
What CWE is associated with CVE-2025-64725?
CVE-2025-64725 is classified under CWE-286: Incorrect User Management (The product does not properly manage a user within its environment.).
How can I check PyPI dependencies for CVE-2025-64725?
Run the dependency tree command: 'pip show Weblate'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-m6hq-f4w9-qrjj",
  "modified" : "2025-12-17T00:29:24Z",
  "published" : "2025-12-15T19:58:09Z",
  "aliases" : [ "CVE-2025-64725" ],
  "summary" : "Weblate has improper validation upon invitation acceptance",
  "details" : "### Impact\n\nIt was possible to accept an invitation opened by a different Weblate user.\n\n### Patches\n\n* https://github.com/WeblateOrg/weblate/pull/16913\n\n### Workarounds\n\nUsers should avoid leaving Weblate sessions with an unattended opened invitation.\n\n### References\n\nThanks to Nahid0x for responsibly disclosing this vulnerability to Weblate.",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "Weblate"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "5.15"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-m6hq-f4w9-qrjj"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-64725"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/WeblateOrg/weblate/pull/16913"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/WeblateOrg/weblate/commit/02e904675f0608a6bbfbf9466eeccd9d022591e9"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/WeblateOrg/weblate"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.15"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-286" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-12-15T19:58:09Z",
    "nvd_published_at" : "2025-12-15T21:15:59Z"
  }
}