CVE-2026-110762: bbPress before 2.6.19 Information Disclosure via BuddyPress Activity Stream

Severity: low (CVSS 3.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-14 · updated 2026-10-15
Weakness: CWE-863

Description

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.

Affected products

bbPress: before 2.6.19 — fixed in 2.6.19

How to fix

Upgrade to a fixed version: bbPress 2.6.19. Check the vendor advisory for mitigations.

References

https://bbpress.org/blog/2026/09/bbpress-2-6-19-is-out/
https://github.com/bbpress/bbPress/blob/04c6f1513c6ca34e849ca16015b7a08b3c15e753/src/includes/extend/buddypress/activity.php#L431
https://github.com/bbpress/bbPress/commit/5dce23a0b23a22d32c45b96fd44588952b16fe8a
https://wordpress.org/plugins/bbpress/
https://www.vulncheck.com/advisories/bbpress-before-2.6.19-information-disclosure-via-buddypress-activity-stream

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