CVE-2026-86186CWE-307

CVE-2026-86186

Medium · published September 5, 2026

CVSS v3.1

6.5

EPSS

—

In the wild

Unconfirmed

What it is

AVideo API fails to enforce rate limits when clients send a bot User-Agent header, allowing attackers to bypass all eight protected operations including login brute-force protection. Attackers can send requests with a bot User-Agent to disable rate limiting and perform unlimited password guessing attempts against any account from a single IP address.

The record

Technical detail

CVSS v3.1: 6.5 · MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0: 6.3 · CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS: Not scored
Weakness: CWE-307 · Improper Restriction of Excessive Authentication Attempts
Published: 2026-09-05T17:18Z

References (2)

https://github.com/WWBN/AVideo/security/advisories/GHSA-qmmw-hmm4-xxp7 · [email protected]https://www.vulncheck.com/advisories/avideo-api-rate-limit-bypass-via-bot-user-agent-header · [email protected]

Timeline

05 SEP 12:09Z
AVideo API Rate Limit Bypass via Bot User-Agent Header
cvelistv5