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P5Verified
CVE-2026-107832: fastify 5.12.2 to before 5.12.6
CVE-2026-107832. CVSS 3.1 base score 3.7 (LOW, Source advisory).
Affected technology
fastify · 5.12.2 to before 5.12.6
fastify
Component: Not specified by the source
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
An attacker can therefore bypass a case-sensitive header validation rule and smuggle a forbidden header past the schema, affecting the integrity of request handling. Source advisory’s CVSS 3.1 assessment (base score 3.7/10) rates confidentiality and availability impact as none; integrity impact as low.
- CWE
- CWE-178
- CCR priority
- 14.8 /100 (P5)
- CVSS 3.1
- 3.7 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N · Source advisory
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-13 14:24:58.546597+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-107832.html