---
id: CVE-2026-33440
aliases:
  - GHSA-5fhx-9jwj-867m
  - PYSEC-2026-2312
title: >-
  Weblate: Authenticated SSRF via redirect bypass of ALLOWED_ASSET_DOMAINS in
  screenshot URL uploads
summary: >-
  Weblate: Authenticated SSRF via redirect bypass of ALLOWED_ASSET_DOMAINS in
  screenshot URL uploads
severity: medium
cvss: 5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N'
vendor: weblate
product: weblate
ecosystem: pip
affected:
  - weblate < 5.17
patched:
  - weblate 5.17
published: '2026-04-16'
updated: '2026-07-13'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-5fhx-9jwj-867m'
references:
  - url: >-
      https://github.com/WeblateOrg/weblate/security/advisories/GHSA-5fhx-9jwj-867m
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-33440'
  - url: 'https://github.com/WeblateOrg/weblate/pull/18550'
  - url: >-
      https://github.com/WeblateOrg/weblate/commit/8be80625a864c8db5854503872a65e8a0b7399a6
  - url: 'https://github.com/WeblateOrg/weblate'
tags:
  - osv
  - pip
epss: 0.0024
epssPercentile: 0.15471
ingestedAt: '2026-07-13T18:57:53.206Z'
---

## Overview

### Impact
The ALLOWED_ASSET_DOMAINS setting applied only to the first issued requests and didn't restrict possible redirects.

### Patches
* https://github.com/WeblateOrg/weblate/pull/18550

### References
This issue was reported by @spbavarva via GitHub.

## Affected packages

- `weblate < 5.17`

## Remediation

Upgrade to a patched release:

- `weblate 5.17`