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CVE-2026-22031

Published: Jan 19, 2026Updated: May 14, 2026 Sources: CVE List NVD GHSACWE-177
NVD MITRE
8.4CVSSHIGH
EPSS Score
0.5%
Top 63.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Fastify Middie Middleware Path Bypass

CVSS Vector Breakdown

AV:NAC:HPR:LUI:NS:CC:HI:HA:L
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-177

Affected Products

@fastify/middienpmOSS Libraries
fastify\/middiefastify
Library
OSS Libraries / web-framework
middiefastify
Library
OSS Libraries / web-framework
npmpackage-ecosystemOSS Libraries
fastifyoss-projectOSS Librariesaka fastify/middie, fastify-multipart

Exploitability

Official Patch Available

References

https://github.com/fastify/middie/security/advisories/GHSA-cxrg-g7r8-w69p
github.com
https://nvd.nist.gov/vuln/detail/CVE-2026-22031
nvd.nist.gov
https://github.com/fastify/middie/pull/245
github.com
and 3 more references View all →

Timeline

Published
Jan 19, 2026
Last Updated
May 14, 2026

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