PT-2026-29311 · Discourse · Discourse

Davidtaylorhq · Published 2026-03-31 · Updated 2026-04-07 · CVE-2026-32620

Positive Technologies (AI Summary)

CVSS v4.0

5.3

Medium

Base vector

AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0 through 2026.1.2 Discourse versions 2026.2.0 through 2026.2.1 Discourse versions 2026.3.0 through 2026.2.9

Description Discourse, an open-source discussion platform, had a flaw where non-staff users could view read receipt information for staff-only posts. The issue did not expose post content, but revealed metadata about who read the post and when.

Recommendations Upgrade to Discourse version 2026.1.3 or later. Upgrade to Discourse version 2026.2.2 or later. Upgrade to Discourse version 2026.3.0 or later.

Exploit

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

BIT-DISCOURSE-2026-32620

CVE-2026-32620

GHSA-XGG2-VWR6-2C65

Affected Products

Discourse

References · 6

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32620.json · Exploit
• https://github.com/discourse/discourse/security/advisories/GHSA-xgg2-vwr6-2c65 · Vendor Advisory
• https://github.com/discourse/discourse/commit/bf8dbf6155ae483245d42a0164181bc226af674d · Patch
• https://osv.dev/vulnerability/CVE-2026-32620 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-discourse-2026-32620 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-32620 · Security Note