What is CVE-2026-112868?

CVE-2026-112868 is a medium-severity vulnerability in H5p, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-10-21.

How severe is CVE-2026-112868?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in H5p

CVE-2026-112868

Authorization Bypass Through User-Controlled Key vulnerability in H5P H5P h5p allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects H5P: from n/a through 1.17.9.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-10-21 · last modified 2026-10-21.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

patchstack.com/database/wordpress/plugin/h5p/vulnerability/wordpress-h5p-plugin… (vdb-entry)

Frequently asked questions

What is CVE-2026-112868?: CVE-2026-112868 is a medium-severity vulnerability in H5p, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-10-21.
How severe is CVE-2026-112868?: Medium severity. CVSS v3 base score is 4.3 out of 10.