CVE-2026-46353

Katalog CVE

CVSS 8.1 · High EPSS 0,48%

Kerentanan Improper Access Control. Skor CVSS 3.1 8.1 (High) menurut github.com.

Deskripsi (NVD)

BigBlueButton is an open-source virtual classroom. Prior to 3.0.21, bbb-web checksum validation could be bypassed when a presentationUploadExternalUrl parameter was supplied to API request handling in CreateMeeting.java and ValidationService.java, allowing a user to send valid requests to some endpoints without a checksum. This issue is fixed in version 3.0.21.

Rincian

Terbit di NVD

16 Juli 2026

Terakhir diubah

17 Juli 2026

Status NVD

Deferred

CVSS 3.1

8.1 (High), sumber github.com
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-284: Improper Access Control

EPSS (30 hari)

0,48% peluang dieksploitasi; lebih tinggi dari 39,3% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/bigbluebutton/bigbluebutton/commit/36fd1b407488a0c56ce620b91184d5a8aea68b3d
• https://github.com/bigbluebutton/bigbluebutton/releases/tag/v3.0.21
• https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-43hc-5g2m-cqff