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CVE-2026-77508

LowCVSS 3.5 / 10
Published Aug 26, 2026·Last modified Aug 27, 2026
Affected Components(154)
weblateorg/weblate
weblate-3.10
weblateorg/weblate
weblate-4.1
weblateorg/weblate
weblate-3.7.1
1 / 52
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.

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Risk Scores
Base Score
3.5

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. The attacker needs the user to perform some action, like clicking a link. The impact is confined to the system where the vulnerability exists. There is a low impact on the integrity of the data.

Threat Intelligence
3.2

Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.

EPSS
0.15%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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