---
id: CVE-2026-77508
title: Weblate is a web based localization tool
summary: >-
  Weblate is a web based localization tool. Prior to 2026.8, an authenticated
  user can change the account's primary email through PUT or PATCH requests to
  /api/users/{username}/ without verifying the new address, allowing a later
  team invi…
severity: low
cvss: 3.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N'
cwe:
  - CWE-302
  - CWE-841
published: '2026-08-26'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T21:09:13.080'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-77508'
references:
  - url: 'https://github.com/WeblateOrg/weblate/pull/20639'
    label: security-advisories@github.com
  - url: >-
      https://github.com/WeblateOrg/weblate/security/advisories/GHSA-x84p-6892-473c
    label: security-advisories@github.com
tags:
  - nvd
epss: 0.00152
epssPercentile: 0.04747
ingestedAt: '2026-09-09T21:22:45.556Z'
---

## Overview

Weblate is a web based localization tool. Prior to 2026.8, an authenticated user can change the account's primary email through PUT or PATCH requests to /api/users/{username}/ without verifying the new address, allowing a later team invitation for that address to be accepted without access to the intended recipient's mailbox. This issue is fixed in version 2026.8.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.