All vulnerabilities

Servers and applications

CVE-2023-49952

Bypassing rate limiting with X-Forwarded-For header

Severity
High 7.5
Published
30 May 2024
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
4.1.17, 4.2.9
Also known as
GHSA-c2r5-cfqr-c553
Sources
NVD, Project advisories (GitHub)

Description

Mastodon 4.1.x before 4.1.17 and 4.2.x before 4.2.9 allows a bypass of rate limiting via a crafted HTTP request header.

Affected software

SoftwareAffected versions
MastodonServers and applications · cpe:a:joinmastodon:mastodon
  • From 4.1.0 before 4.1.17
  • From 4.2.0 before 4.2.9
MastodonServers and applications · github:mastodon/mastodon
  • Every version before 4.1.17

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-49952
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-49952
  • GitHub Advisory Database https://github.com/advisories/GHSA-c2r5-cfqr-c553
  • github.com https://github.com/mastodon/mastodon/security/advisories/GHSA-c2r5-cfqr-c553