CVE-2026-22250: Wlc Weblate Command-line Client Susceptible To Vulnerability

LOW
Advisory Identifier: GHSA-2mmv-7rrp-g8xh
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CVSS 2.5
CWE-295
Published
Advisory Summary

CVE-2026-22250 is a LOW (CVSS 2.5) weblate command-line client susceptible to vulnerability (CWE-295: Improper Certificate Validation) affecting Wlc libraries in the PyPI ecosystem. The issue involves weblate command-line client susceptible to ssl verification skip. Remediation is available by upgrading affected packages to version 1.17.0.

CVE-2026-22250 at a Glance

CVE Identifier CVE-2026-22250
GHSA Identifier GHSA-2mmv-7rrp-g8xh
Severity LOW
CVSS v3.1 Base Score 2.5
CWE Classification CWE-295: Improper Certificate Validation
Affected Product Wlc
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 2.5

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

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

How to Fix CVE-2026-22250

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

wlc fixed: 1.17.0 
pip install wlc>=1.17.0
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 wlc

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2026-22250, inspect your installed packages using pip:

pip show wlc

Analyze the terminal output to locate any version of Wlc in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.17.0), your application is affected.

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

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-295: Improper Certificate Validation, where the product does not validate, or incorrectly validates, a certificate. In Wlc, 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 The SSL verification would be skipped for some crafted URLs. ### Patches * https://github.com/WeblateOrg/wlc/pull/1097 ### Workarounds Avoid using untrusted wlc configurations, as that might cause insecure connections. ### References This issue was reported to us by [wh1zee](https://hackerone.com/wh1zee) via HackerOne.

CVE-2026-22250 Affected Wlc Versions

1 component(s)
Fixed Versions:
1.17.0
Product / Package Ecosystem Affected Versions Fixed Version
wlc
pypi/wlc
PyPI
< 1.17.0
1.17.0

References

GitHub Advisory / Wiki ADVISORY
https://github.com/WeblateOrg/wlc/security/advisories/GHSA-2mmv-7rrp-g8xh
NVD — CVE-2026-22250 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-22250
Wlc Source Repository REPOSITORY
https://github.com/WeblateOrg/wlc/pull/1097
Security Fix Commit FIX COMMIT
https://github.com/WeblateOrg/wlc/commit/a513864ec4daad00146e6d6e039559726e256fa3
Wlc Source Repository REPOSITORY
https://github.com/WeblateOrg/wlc

Frequently Asked Questions

What is CVE-2026-22250?
CVE-2026-22250 is a security vulnerability in Wlc involving Weblate command-line client susceptible to SSL verification skip under CWE-295: Improper Certificate Validation.
Which Wlc versions are affected?
Affected versions include releases prior to 1.17.0 across affected packages: wlc.
What version fixes CVE-2026-22250?
Upgrading to 1.17.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is wlc affected?
Yes, wlc is affected in releases prior to 1.17.0. Upgrade your dependency to 1.17.0 or later.
What is the CVSS score of CVE-2026-22250?
CVE-2026-22250 has a CVSS v3.1 base score of 2.5 (LOW) with vector string CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N.
What CWE is associated with CVE-2026-22250?
CVE-2026-22250 is classified under CWE-295: Improper Certificate Validation (The product does not validate, or incorrectly validates, a certificate.).
How can I check PyPI dependencies for CVE-2026-22250?
Run the dependency tree command: 'pip show wlc'. 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-2mmv-7rrp-g8xh",
  "modified" : "2026-01-12T20:07:14Z",
  "published" : "2026-01-12T16:13:33Z",
  "aliases" : [ "CVE-2026-22250" ],
  "summary" : "Weblate command-line client susceptible to SSL verification skip",
  "details" : "### Impact\nThe SSL verification would be skipped for some crafted URLs.\n\n### Patches\n* https://github.com/WeblateOrg/wlc/pull/1097\n\n### Workarounds\nAvoid using untrusted wlc configurations, as that might cause insecure connections.\n\n### References\nThis issue was reported to us by [wh1zee](https://hackerone.com/wh1zee) via HackerOne.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "wlc"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.17.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/WeblateOrg/wlc/security/advisories/GHSA-2mmv-7rrp-g8xh"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-22250"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/WeblateOrg/wlc/pull/1097"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/WeblateOrg/wlc/commit/a513864ec4daad00146e6d6e039559726e256fa3"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/WeblateOrg/wlc"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-295" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-01-12T16:13:33Z",
    "nvd_published_at" : "2026-01-12T18:15:49Z"
  }
}