What is CVE-2026-86187?

CVE-2026-86187 is a medium-severity vulnerability in Wwbn Avideo, classified under Use of Insufficiently Random Values. CVSS score: 5.9/10. Published 2026-09-05.

How severe is CVE-2026-86187?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Wwbn Avideo

CVE-2026-86187

WWBN AVideo generates passwords for external-login accounts using rand() instead of a cryptographic generator, producing only 31-bit integers. Attackers with access to password hashes can recover plaintext passwords in minutes through offline brute-force attacks due to unsalted MD5-based hashing.

Published 2026-09-05 · last modified 2026-09-10.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (28.3th percentile), scored 2026-10-21.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.001

Affected products

Wwbn Avideo

Weakness classification (CWE)

CWE-330 — Use of Insufficiently Random Values

References

github.com/WWBN/AVideo/security/advisories/GHSA-h3ff-c2qq-pr2g (vendor-advisory)
www.vulncheck.com/advisories/wwbn-avideo-weak-prng-password-generation-via-exte… (third-party-advisory)

Frequently asked questions

What is CVE-2026-86187?: CVE-2026-86187 is a medium-severity vulnerability in Wwbn Avideo, classified under Use of Insufficiently Random Values. CVSS score: 5.9/10. Published 2026-09-05.
How severe is CVE-2026-86187?: Medium severity. CVSS v3 base score is 5.9 out of 10.