Auth bypass in Bbpress
CVE-2026-110762
bbPress before 2.6.19 contains an information disclosure vulnerability that allows unauthenticated visitors to view restricted subforum posts because hide_sitewide ignores ancestor forum visibility. Topics and replies in public subforums nested under private or hidden parents expose title, permalink and body via the BuddyPress activity stream and REST endpoint.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/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)
References
- bbpress.org/blog/2026/09/bbpress-2-6-19-is-out/ (release-notes)
- github.com/bbpress/bbPress/commit/5dce23a0b23a22d32c45b96fd44588952b16fe8a (patch)
- github.com/bbpress/bbPress/blob/04c6f1513c6ca34e849ca16015b7a08b3c15e753/src/in… (technical-description)
- wordpress.org/plugins/bbpress/ (product)
- www.vulncheck.com/advisories/bbpress-before-2.6.19-information-disclosure-via-b… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-110762?
- CVE-2026-110762 is a low-severity vulnerability in Bbpress, classified under Incorrect Authorization. CVSS score: 3.7/10. Published 2026-10-14.
- How severe is CVE-2026-110762?
- Low severity. CVSS v3 base score is 3.7 out of 10.