CVE-2026-77508 Weblate: Unverified REST API email changes
Authenticated users can change their primary email without verification, potentially allowing them to hijack accounts via team invitations sent to the unverified address.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-77508?
CVE-2026-77508 is a low-severity vulnerability in WeblateOrg weblate, published on 26 Aug 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
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.
Which versions are affected by CVE-2026-77508?
How do I fix CVE-2026-77508?
No fix has been published for CVE-2026-77508 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-77508 being exploited?
There is no known exploitation of CVE-2026-77508 in the wild and no public exploit code.
Sources
Also known as GHSA-x84p-6892-473c.