CVE-2026-32951

Source
https://cve.org/CVERecord?id=CVE-2026-32951
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-32951.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-32951
Aliases
Published
2026-03-31T17:41:20Z
Modified
2026-10-21T02:30:47Z
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: Authorization bypass in oneboxer via user-controlled category 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, an authenticated user can obtain shared draft topic titles by sending an inline onebox request with a category_id parameter matching the shared drafts category. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.

Database specific
{
    "cna_assigner":  "GitHub_M",
    "cwe_ids":  [
        "CWE-200"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32951.json"
}
References

Affected packages

Git / github.com/discourse/discourse

Affected ranges

Type
GIT
Repo
https://github.com/discourse/discourse
Events
Database specific
Show details
{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:discourse:discourse:*:*:*:*:latest:*:*:*",
            "range":  [
                {
                    "introduced":  "2026.1.0"
                },
                {
                    "fixed":  "2026.1.3"
                }
            ],
            "source":  "CPE_RANGE"
        },
        {
            "cpe":  "cpe:2.3:a:discourse:discourse:*:*:*:*:latest:*:*:*",
            "range":  [
                {
                    "introduced":  "2026.2.0"
                },
                {
                    "fixed":  "2026.2.2"
                }
            ],
            "source":  "CPE_RANGE"
        },
        {
            "cpe":  "cpe:2.3:a:discourse:discourse:2026.3.0:*:*:*:latest:*:*:*",
            "range":  [
                {
                    "introduced":  "2026.3.0"
                },
                {
                    "last_affected":  "2026.3.0"
                }
            ],
            "source":  "CPE_STRING"
        },
        {
            "cpe":  "cpe:2.3:a:discourse:discourse:2026.3.0:*:*:*:latest.1:*:*:*",
            "range":  [
                {
                    "introduced":  "2026.3.0"
                },
                {
                    "last_affected":  "2026.3.0"
                }
            ],
            "source":  "CPE_STRING"
        },
        {
            "range":  [
                {
                    "fixed":  "0b4e6ff170362823d1cfe2a1a096785d0d77ee83"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

2026.*
2026.3.0
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
v2026.3.0-latest
v2026.3.0-latest.1

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-32951.json"