Vulnerability Report

CVE-2026-33394

Title: Private Post Content Leak in Discourse Admin Report

Information Disclosure

Proof Of Concept

No public PoC currently indexed for CVE-2026-33394.

CWE Category CWE-200
Published Date Mar 19, 2026
Modified Date Mar 24, 2026
Exploit Status Not Found
Score 2.7 CVSS v3.1
Exploit Probability (EPSS)
0.05%

Vulnerability Summary

CVE-2026-33394: Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, the Post Edits admin report (/admin/reports/post_edits) leaked the first 40 characters of raw post content from private messages and secure categories to moderators who shouldn't have access. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

Impacted Vendors

D
discourse 1

Reference Links

https://github.com/discourse/discourse/commit/3bf3793a708662716c0a4eaf64ae091abe71ab4c https://github.com/discourse/discourse/commit/473288219e93cd17576cf15e4f0b9e388a31d0c1 https://github.com/discourse/discourse/commit/62721429d4402505d21280bcbe5894032447d800 https://github.com/discourse/discourse/security/advisories/GHSA-wxvr-pm5c-829p
CVSS v3.1
Source Entity [email protected]
Severity LOW
2.7
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-33394 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

Affected Stack

No specific products linked.