What’s Vulnerable › Vulnerabilities

CVE-2024-34535

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-03 · updated 2026-06-17
• Weakness: CWE-444

Description

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

Affected products

• mastodon: through 4.1.16; from 4.2.0 through 4.2.8

References

• https://github.com/mastodon/mastodon/security/advisories/GHSA-q3rg-xx5v-4mxh
• https://github.com/mastodon/mastodon/tags

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