CVEvulnerability

CVE-2026-45780

4.3 MEDIUM Published 2026-07-09 Modified 2026-07-14 Official page ↗
Status
Analyzed
Published
2026-07-09
Last modified
2026-07-14
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 3.1 ([email protected])
4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weaknesses
CWE-200

Description

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, EventSerializer could expose invited group names, sample invitees, and attendance statistics to users who could view the topic but were not entitled to view the private event invitee list. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5.

Affected configurations

• discourse discourse (>= 2026.1.0 < 2026.1.5) • discourse discourse (>= 2026.4.0 < 2026.4.2) • discourse discourse (>= 2026.5.0 < 2026.5.1) • discourse discourse 2026.6.0

Related

Weakness · CWE (1)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness

References