CVE-2026-86186

6.3 mediumEPSS 0.3%

Medium (6.3). EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

6.3 medium

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

CVSS 3.1

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 22% of CVEs (scores of 2026-10-31)
CWE: CWE-307
Published: 2026-09-05
Modified: 2026-09-08
Record from: the NVD, synced 2026-10-19

References

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

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