P4Verified

CVE-2026-72816: chi 0 to before 5.3.0

CVE-2026-72816. CVSS 3.1 base score 6.5 (MEDIUM, Vendor/CNA). EPSS 0.003 (percentile 0.20781), scored 2026-10-06.

Affected technology

chi · 0 to before 5.3.0
go-chi

Description’s affected range: through 5.2.1

Component: Not specified by the source
Function: reads

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Attackers can supply arbitrary IP addresses in these headers to bypass IP-based access controls, evade rate limiting and geo-IP restrictions, and pollute audit logs. Vendor/CNA’s CVSS 4.0 assessment (base score 6.9/10) rates confidentiality and integrity impact as low; availability impact as none.

Published 2026-10-08 17:35:00.898915+00:00

CWE: CWE-290
CCR priority: 26.1 /100 (P4)
CVSS 3.1: 6.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N · Vendor/CNA
EPSS: 0.003 · percentile 0.20861 · 2026-10-08
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-08 17:36:22.845483+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-08 17:32:11.049884+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-72816.html