CVE-2024-37903
High
Description
Mastodon is a self-hosted, federated microblogging platform. Starting in version 2.6.0 and prior to versions 4.1.18 and 4.2.10, by crafting specific activities, an attacker can extend the audience of a post they do not own to other Mastodon users on a target server, thus gaining access to the contents of a post not intended for them. Versions 4.1.18 and 4.2.10 contain a patch for this issue.
SeverityHigh
CVSS8.2
Exploit probability—
Product
Mastodon
PublishedJul 5, 2024
First seenJul 5, 2024
Weakness typeCWE-862Missing authorization
How to fix
Update
- joinmastodon mastodon4.1.18, 4.2.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| joinmastodon mastodon | 2.6.0 ≤ v < 4.1.18, 4.2.0 ≤ v < 4.2.10 | 4.1.18, 4.2.10 |
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