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.
Published: 2024-07-05
Score: 8.2 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2024-36876 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.
History

Tue, 24 Jun 2025 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Joinmastodon
Joinmastodon mastodon
CPEs cpe:2.3:a:joinmastodon:mastodon:*:*:*:*:*:*:*:*
Vendors & Products Joinmastodon
Joinmastodon mastodon

Subscriptions

Joinmastodon Mastodon
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2024-08-02T04:04:23.423Z

Reserved: 2024-06-10T19:54:41.362Z

Link: CVE-2024-37903

cve-icon Vulnrichment

Updated: 2024-08-02T04:04:23.423Z

cve-icon NVD

Status : Analyzed

Published: 2024-07-05T18:15:32.093

Modified: 2025-06-24T16:04:05.977

Link: CVE-2024-37903

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses