CVE-2025-64326: Weblate Weblate Leaks The IP Of Vulnerability

LOW
Advisory Identifier: GHSA-gr35-vpx2-qxhc
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CVSS 2.6
CWE-212
Published
Advisory Summary

CVE-2025-64326 is a LOW (CVSS 2.6) weblate leaks the ip of vulnerability (CWE-212: Improper Removal of Sensitive Information Before Storage or Transfer) affecting Weblate libraries in the PyPI ecosystem. The issue involves weblate leaks the ip of project member inviting user to be reviewer in audit log. Remediation is available by upgrading affected packages to version 5.14.1.

CVE-2025-64326 at a Glance

CVE Identifier CVE-2025-64326
GHSA Identifier GHSA-gr35-vpx2-qxhc
Severity LOW
CVSS v3.1 Base Score 2.6
CWE Classification CWE-212: Improper Removal of Sensitive Information Before Storage or Transfer
Affected Product Weblate
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 2.6

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N).

Attack Vector Network (AV:N)
Attack Complexity High (AC:H)
Privileges Required Low (PR:L)
User Interaction Required (UI:R)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2025-64326

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: 5.14.1 
pip install weblate>=5.14.1
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-2025-64326, 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 5.14.1), 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-212: Improper Removal of Sensitive Information Before Storage or Transfer, where the product stores, transfers, or shares a resource that contains sensitive information, but it does not properly remove that information before the product makes the resource available to unauthorized actors. 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

### Summary Weblate leaks the IP address of the project member inviting the user to the project in the audit log. ### Details The audit log included IP addresses from admin-triggered actions, and those could be viewed by invited users. ### Impact The inviting user's (admin's) IP address could be leaked to invited users.

CVE-2025-64326 Affected Weblate Versions

1 component(s)
Fixed Versions:
5.14.1
Product / Package Ecosystem Affected Versions Fixed Version
weblate
pypi/weblate
PyPI
< 5.14.1
5.14.1

References

NVD — CVE-2025-64326 NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-64326
GitHub Advisory / Wiki ADVISORY
https://github.com/WeblateOrg/weblate/security/advisories/GHSA-gr35-vpx2-qxhc
Weblate Source Repository REPOSITORY
https://github.com/WeblateOrg/weblate/pull/16781
Security Fix Commit FIX COMMIT
https://github.com/WeblateOrg/weblate/commit/b847e9756a0a6f7659ef20fa9f34846ca862c574
Weblate Source Repository REPOSITORY
https://github.com/WeblateOrg/weblate
Weblate Source Repository REPOSITORY
https://github.com/pypa/advisory-database/tree/main/vulns/weblate/PYSEC-2025-230.yaml

Frequently Asked Questions

What is CVE-2025-64326?
CVE-2025-64326 is a security vulnerability in Weblate involving Weblate leaks the IP of project member inviting user to be reviewer in Audit log under CWE-212: Improper Removal of Sensitive Information Before Storage or Transfer.
Which Weblate versions are affected?
Affected versions include releases prior to 5.14.1 across affected packages: weblate.
What version fixes CVE-2025-64326?
Upgrading to 5.14.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is weblate affected?
Yes, weblate is affected in releases prior to 5.14.1. Upgrade your dependency to 5.14.1 or later.
What is the CVSS score of CVE-2025-64326?
CVE-2025-64326 has a CVSS v3.1 base score of 2.6 (LOW) with vector string CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2025-64326?
CVE-2025-64326 is classified under CWE-212: Improper Removal of Sensitive Information Before Storage or Transfer (The product stores, transfers, or shares a resource that contains sensitive information, but it does not properly remove that information before the product makes the resource available to unauthorized actors.).
How can I check PyPI dependencies for CVE-2025-64326?
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-gr35-vpx2-qxhc",
  "modified" : "2026-06-06T00:35:23Z",
  "published" : "2025-11-05T18:45:59Z",
  "aliases" : [ "CVE-2025-64326" ],
  "summary" : "Weblate leaks the IP of project member inviting user to be reviewer in Audit log",
  "details" : "### Summary\nWeblate leaks the IP address of the project member inviting the user to the project in the audit log.\n\n### Details\nThe audit log included IP addresses from admin-triggered actions, and those could be viewed by invited users.\n\n### Impact\n\nThe inviting user's (admin's) IP address could be leaked to invited users.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "weblate"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "5.14.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-gr35-vpx2-qxhc"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-64326"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/WeblateOrg/weblate/pull/16781"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/WeblateOrg/weblate/commit/b847e9756a0a6f7659ef20fa9f34846ca862c574"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/WeblateOrg/weblate"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/pypa/advisory-database/tree/main/vulns/weblate/PYSEC-2025-230.yaml"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-212" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-11-05T18:45:59Z",
    "nvd_published_at" : "2025-11-06T21:15:43Z"
  }
}