Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, the signup flow could allow newly registered users to set primarygroupid and gain whisper-group privileges without legitimate group membership on sites with whispersallowedgroups configured. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-269"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44787.json"
}{
"source": [
"CPE_RANGE",
"CPE_STRING",
"REFERENCES"
],
"cpe": [
"cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*",
"cpe:2.3:a:discourse:discourse:2026.6.0:*:*:*:latest:*:*:*"
],
"extracted_events": [
{
"introduced": "2026.1.0"
},
{
"fixed": "2026.1.5"
},
{
"introduced": "2026.4.0"
},
{
"fixed": "2026.4.2"
},
{
"introduced": "2026.5.0"
},
{
"fixed": "2026.5.1"
},
{
"introduced": "2026.6.0"
},
{
"last_affected": "2026.6.0"
}
]
}