CVE-2025-24033
@fastify/multipart vulnerable to unlimited consumption of resources
@fastify/multipart is a Fastify plugin for parsing the multipart content-type. Prior to versions 8.3.1 and 9.0.3, the saveRequestFiles function does not delete the uploaded temporary files when user cancels the request. The issue is fixed in versions 8.3.1 and 9.0.3. As a workaround, do not use saveRequestFiles.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
@fastify/multipart vulnerable to unlimited consumption of resources
@fastify/multipart is a Fastify plugin for parsing the multipart content-type. Prior to versions 8.3.1 and 9.0.3, the saveRequestFiles function does not delete the uploaded temporary files when user cancels the request. The issue is fixed in versions 8.3.1 and 9.0.3. As a workaround, do not use saveRequestFiles.
- Record
CVE-2025-24033- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-770
- Updated
- 2026-11-02
EUVDEUVD-2025-0118
@fastify/multipart is a Fastify plugin for parsing the multipart content-type. Prior to versions 8.3.1 and 9.0.3, the saveRequestFiles function does not delete the uploaded temporary files when user cancels the request. The issue is fixed in versions 8.3.1 and 9.0.3. As a workaround, do not use saveRequestFiles.
- Record
EUVD-2025-0118- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-27c6-mcxv-x3fh
Unlimited consumption of resources in @fastify/multipart
Impact
The saveRequestFiles function does not delete the uploaded temporary files when user cancels the request.
Patches
Fixed in version 8.3.1 and 9.0.3
Workarounds
Do not use saveRequestFiles.
References
This was identified in https://github.com/fastify/fastify-multipart/issues/546 and fixed in https://github.com/fastify/fastify-multipart/pull/567.
- Record
GHSA-27c6-mcxv-x3fh- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-770
- Updated
- 2026-11-02
NVD
@fastify/multipart is a Fastify plugin for parsing the multipart content-type. Prior to versions 8.3.1 and 9.0.3, the saveRequestFiles function does not delete the uploaded temporary files when user cancels the request. The issue is fixed in versions 8.3.1 and 9.0.3. As a workaround, do not use saveRequestFiles.
- Record
CVE-2025-24033- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-770
- Updated
- 2026-11-02
OSV
@fastify/multipart vulnerable to unlimited consumption of resources
@fastify/multipart is a Fastify plugin for parsing the multipart content-type. Prior to versions 8.3.1 and 9.0.3, the saveRequestFiles function does not delete the uploaded temporary files when user cancels the request. The issue is fixed in versions 8.3.1 and 9.0.3. As a workaround, do not use saveRequestFiles.
- Record
CVE-2025-24033- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-770
- Updated
- 2026-11-02
OSVGHSA-27c6-mcxv-x3fh
Unlimited consumption of resources in @fastify/multipart
Impact
The saveRequestFiles function does not delete the uploaded temporary files when user cancels the request.
Patches
Fixed in version 8.3.1 and 9.0.3
Workarounds
Do not use saveRequestFiles.
References
This was identified in https://github.com/fastify/fastify-multipart/issues/546 and fixed in https://github.com/fastify/fastify-multipart/pull/567.
- Record
GHSA-27c6-mcxv-x3fh- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-770
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
@fastify/multipartnpm |
through 8.3.0 | 8.3.1 |
@fastify/multipartnpm |
9.0.0 up to 9.0.3 | 9.0.3 |
@fastify/multipartnpm |
before 8.3.1 | 8.3.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-24033 is a high vulnerability (CVSS 7.5) in Fastify Fastify-multipart, published January 23, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.60%, the 49th percentile. Fixed in @fastify/multipart 8.3.1.
References
github.com/fastify/fastify-multipart/security/advisories/GHSA-27c6-mcxv-x3fh
nvd.nist.gov/vuln/detail/CVE-2025-24033