CVE-2026-32618

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Source
https://cve.org/CVERecord?id=CVE-2026-32618
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-32618.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-32618
Aliases
Published
2026-03-31T17:40:41.484Z
Modified
2026-04-10T05:42:23.822876Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
Discourse: Unauthorized channel membership inference via excluded_memberships_channel_id
Details

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, there is possible channel membership inference from chat user search without authorization. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.

Database specific 
{
    "cwe_ids": [
        "CWE-200"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32618.json",
    "cna_assigner": "GitHub_M"
}
References

Affected packages

Git / github.com/discourse/discourse

Affected ranges

Type
GIT
Repo
https://github.com/discourse/discourse
Events
Introduced
322d3c0ac6a8f133b3f82875e9dbbe310f638c1b
Fixed
b3f024ce9587e678216892cbd967201b2450e197
Database specific 
{
    "versions": [
        {
            "introduced": "2026.1.0-latest"
        },
        {
            "fixed": "2026.1.3"
        }
    ]
}
Type
GIT
Repo
https://github.com/discourse/discourse
Events
Introduced
f7cec86997edc21d6074ceb7666f7e2e6e1b1fdf
Fixed
4431801e7b5af883edb430643fdace7608ffb6fb
Database specific 
{
    "versions": [
        {
            "introduced": "2026.2.0-latest"
        },
        {
            "fixed": "2026.2.2"
        }
    ]
}
Type
GIT
Repo
https://github.com/discourse/discourse
Events
Introduced
896e810e1b296478bba91559a8fc89a9926f11fe
Fixed
896e810e1b296478bba91559a8fc89a9926f11fe
Database specific 
{
    "versions": [
        {
            "introduced": "2026.3.0-latest"
        },
        {
            "fixed": "2026.3.0"
        }
    ]
}

Affected versions

Other
esr
stable
v2026.*
v2026.1.0
v2026.1.0-latest
v2026.1.1
v2026.1.2
v2026.2.0
v2026.2.0-latest
v2026.2.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-32618.json"