CVE-2026-33425

Source
https://cve.org/CVERecord?id=CVE-2026-33425
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-33425.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-33425
Aliases
Published
2026-03-20T23:12:30.489Z
Modified
2026-07-15T02:19:13.395446585Z
Severity
  • 6.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
Discourse has inferable private group membership or existence via exclude_groups parameter
Details

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, unauthenticated users can determine whether a specific user is a member of a private group by observing changes in directory results when using the exclude_groups parameter. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. As a workaround, disable public access to the user directory via Admin → Settings → hide user profiles from public.

Database specific
{
    "cwe_ids": [
        "CWE-203",
        "CWE-639",
        "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33425.json",
    "cna_assigner": "GitHub_M"
}
References

Affected packages

Git / github.com/discourse/discourse

Affected ranges

Type
GIT
Repo
https://github.com/discourse/discourse
Events
Database specific
{
    "cpe": [
        "cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*",
        "cpe:2.3:a:discourse:discourse:2026.3.0:*:*:*:latest:*:*:*"
    ],
    "extracted_events": [
        {
            "introduced": "2026.1.0"
        },
        {
            "fixed": "2026.1.2"
        },
        {
            "introduced": "2026.2.0"
        },
        {
            "fixed": "2026.2.1"
        },
        {
            "introduced": "2026.3.0"
        },
        {
            "last_affected": "2026.3.0"
        }
    ],
    "source": [
        "CPE_RANGE",
        "CPE_STRING"
    ]
}

Affected versions

2026.*
2026.3.0
= 2026.*
= 2026.3.0-latest
Other
esr
stable
v2026.*
v2026.1.0
v2026.1.0-latest
v2026.1.1
v2026.2.0
v2026.2.0-latest
v2026.3.0-latest

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-33425.json"