CVE-2026-32620

Published: Mar 31, 2026Modified: Jul 24, 2026

5.3

Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less

Source: security-advisories@github.com (Secondary)

Description

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, non-staff users could access read receipt information for staff-only posts they weren't supposed to see. No post content was exposed, only metadata about who read the post and when. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.

Affected (4)

Products: Discourse: Discourse

Discourse

1 product

Discourse

Configuration A

4 vulnerable

Vulnerable Software	Affected Versions
Discourse Discourse	From 2026.1.0 to 2026.1.3
Discourse Discourse	From 2026.2.0 to 2026.2.2
Discourse Discourse	Version 2026.3.0
Discourse Discourse	Version 2026.3.0

Related CWEs

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

References (2)

https://github.com/discourse/discourse/commit/bf8dbf6155ae483245d42a0164181bc226af674d

Source: security-advisories@github.com

Patch

https://github.com/discourse/discourse/security/advisories/GHSA-xgg2-vwr6-2c65

Source: security-advisories@github.com

Vendor Advisory

Timeline

No history available yet.