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CVE-2026-72914

7.5 · HIGH

Mastodon is a free, open-source social network server based on ActivityPub.

Published Aug 10, 2026CWE-405EPSS 0.83%

Overview

CVE-2026-72914 is a high-severity vulnerability. It was published on August 10, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.4.21, 4.5.14, 4.6.4, and 4.7.0-beta.1, the administrative statistics endpoints handled by Api::V1::Admin::MeasuresController and Api::V1::Admin::RetentionController checked authorization only after beginning expensive calculations. Anonymous callers could submit keys, start_at, and end_at parameters that caused long-running SQL queries in Admin::Metrics::Measure, Admin::Metrics::Retention, and Admin::Metrics::Dimension::BaseDimension, allowing repeated requests to exhaust server resources. This issue is fixed in versions 4.4.21, 4.5.14, 4.6.4, and 4.7.0-beta.1.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/mastodon/mastodon/commit/18c61f286f1f5718a8f517940ba384866ffa3892GitHubgithub.com/mastodon/mastodon/commit/467c933459c7d0e5513475b9e4888afaedfb1074GitHubgithub.com/mastodon/mastodon/commit/930aa9fee26bf9eaefe27826fa1061288d83373bGitHubgithub.com/mastodon/mastodon/commit/da47a1bd3cd07935d7ca55a1f4f1a76f7f167e0dGitHubgithub.com/mastodon/mastodon/releases/tag/v4.4.21GitHubgithub.com/mastodon/mastodon/releases/tag/v4.5.14GitHubgithub.com/mastodon/mastodon/releases/tag/v4.6.4GitHubgithub.com/mastodon/mastodon/releases/tag/v4.7.0-beta.1GitHubgithub.com/mastodon/mastodon/security/advisories/GHSA-7jvv-fhmg-wpfw

How CyberStrike helps

Frequently asked questions

What is CVE-2026-72914?

CVE-2026-72914 is a high-severity vulnerability. It was published on August 10, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-72914?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-72914?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-72914?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-72914 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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