| Reporter | Title | Published | Views | Family All 9 |
|---|---|---|---|---|
 | CVE-2026-54238 | 22 Oct 202617:35 | – | circl |
 | Supabase Realtime session mechanism vulnerability | 22 Oct 202600:00 | – | cnnvd |
 | CVE-2026-54238 Supabase Realtime: Expired JWTs with string exp are accepted by REST broadcast authorization | 22 Oct 202617:22 | – | cvelist |
 | EUVD-2026-108263 | 22 Oct 202617:22 | – | euvd |
 | CVE-2026-54238 | 22 Oct 202617:22 | – | mend |
 | CVE-2026-54238 | 22 Oct 202618:17 | – | nvd |
 | CVE-2026-54238 Supabase Realtime: Expired JWTs with string exp are accepted by REST broadcast authorization | 22 Oct 202617:22 | – | osv_cve |
 | PT-2026-121490 | 22 Oct 202600:00 | – | ptsecurity |
 | CVE-2026-54238 Supabase Realtime: Expired JWTs with string exp are accepted by REST broadcast authorization | 22 Oct 202617:22 | – | vulnrichment |
[
{
"vendor": "supabase",
"product": "realtime",
"versions": [
{
"version": "< 2.103.1",
"status": "affected"
}
]
}
]| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| Authorization | header | /realtime/v1/broadcast | The REST broadcast endpoint accepts an expired JWT if the 'exp' claim is encoded as a JSON string instead of a JSON number, allowing unauthenticated broadcast of messages. | CWE-613 |
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30 Oct 2026 16:17Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.13.1
EPSS0.00206
SSVC