CVE-2024-34535
In Mastodon 4.1.6, API endpoint rate limiting can be bypassed by setting a crafted HTTP request...
In Mastodon 4.1.6, API endpoint rate limiting can be bypassed by setting a crafted HTTP request header.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
In Mastodon 4.1.6, API endpoint rate limiting can be bypassed by setting a crafted HTTP request header.
- Record
CVE-2024-34535- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-444
- Updated
- 2026-11-02
EUVDEUVD-2024-35151
In Mastodon 4.1.6, API endpoint rate limiting can be bypassed by setting a crafted HTTP request header.
- Record
EUVD-2024-35151- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f9c2-396j-6x9r
In Mastodon 4.1.6, API endpoint rate limiting can be bypassed by setting a crafted HTTP request...
In Mastodon 4.1.6, API endpoint rate limiting can be bypassed by setting a crafted HTTP request header.
- Record
GHSA-f9c2-396j-6x9r- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-444
- Updated
- 2026-11-02
NVD
In Mastodon 4.1.6, API endpoint rate limiting can be bypassed by setting a crafted HTTP request header.
- Record
CVE-2024-34535- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-444
- Updated
- 2026-11-02
OSV
In Mastodon 4.1.6, API endpoint rate limiting can be bypassed by setting a crafted HTTP request header.
- Record
CVE-2024-34535- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N - Updated
- 2026-11-02
OSVBIT-mastodon-2024-34535 No score
In Mastodon 4.1.6, API endpoint rate limiting can be bypassed by setting a crafted HTTP request header.
- Record
BIT-mastodon-2024-34535- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mastodonBitnami |
before 4.2.9 | 4.2.9 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-34535 is a medium vulnerability (CVSS 5.9) in Joinmastodon Mastodon, published October 3, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.38%, the 31st percentile. Fixed in mastodon 4.2.9.