CVE-2022-31005

Integer Overflow in Vapor's HTTP Range Request

7.5 HighFix available

Vapor is an HTTP web framework for Swift. Users of Vapor prior to version 4.60.3 with FileMiddleware enabled are vulnerable to an integer overflow vulnerability that can crash the application. Version 4.60.3 contains a patch for this issue. As a workaround, disable FileMiddleware and serve via a Content Delivery Network.

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

2.11%Up 1.2 points since Jun 1, 2022

What each source reports

CVE List Score used 7.5

Integer Overflow in Vapor's HTTP Range Request

Record: CVE-2022-31005
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-190
Updated: 2026-11-02

EUVDEUVD-2023-1891 7.5

Record: EUVD-2023-1891
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-vj2m-9f5j-mpr5 7.5

Vapor vulnerable to denial of service in HTTP Range Request of FileMiddleware

Vapor is an HTTP web framework for Swift and middleware is a logic chain between the client and a Vapor route handler. FileMiddleware enables the serving of assets from the Public folder of a project to the client.

Vapor before 4.60.3 is vulnerable to denial of service due to an integer overflow when given invalid range headers while using FileMiddleware. This is patched in 4.60.3.

Record: GHSA-vj2m-9f5j-mpr5
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-190
Updated: 2026-11-02

NVD 7.5

Record: CVE-2022-31005
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-190
Updated: 2026-11-02

OSV 7.5

Integer Overflow in Vapor's HTTP Range Request

Record: CVE-2022-31005
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-190
Updated: 2026-11-02

OSVGHSA-vj2m-9f5j-mpr5 7.5

Vapor vulnerable to denial of service in HTTP Range Request of FileMiddleware

Vapor before 4.60.3 is vulnerable to denial of service due to an integer overflow when given invalid range headers while using FileMiddleware. This is patched in 4.60.3.

Record: GHSA-vj2m-9f5j-mpr5
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-190
Updated: 2026-11-02

Affected products

vapor

Affected packages

Affected packages
Package	Affected	Fixed
`github.com/vapor/vapor` SwiftURL	before 4.60.3	4.60.3

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-31005 is a high vulnerability (CVSS 7.5) in Vapor, published May 31, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.11%, the 81st percentile. Fixed in github.com/vapor/vapor 4.60.3.