CVE-2024-34535

MEDIUM 5.9CVE-2024-34535 · Published 03/10/2024 · updated 17/06/2026

In short

CVE-2024-34535 is a MEDIUM (CVSS 5.9) vulnerability affecting mastodon (joinmastodon).
Chance of exploitation in the next 30 days (EPSS): 0.38%, higher than 31.6% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
mastodon joinmastodon	`≥ 4.2.0, ≤ 4.2.8≤ 4.1.16`	No fix yet

In Mastodon 4.1.6, API endpoint rate limiting can be bypassed by setting a crafted HTTP request header.

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Package

Affected versions

Patched versions

≥ 4.2.0, ≤ 4.2.8≤ 4.1.16

No fix yet

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