CVE-2026-45780
🔶 mediumSummary
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.
CVSS Score
5.3
Medium
EPSS Score
0.4
Exploit Probability
Published Date
2026-07-09
First Seen: 2026-07-10
📊 Relative Risk Intelligence
This CVE is Lower Risk - more severe than 19.0% of all 360,673 vulnerabilities in our database.
#292,061
Below average severity
Severity Percentile
🎯 CISA SSVC Assessment Updated: Jul 14, 2026
🔍 Exploitation Status
None
No known exploits
⚙️ Automatable
YES
Can be exploited automatically
💥 Technical Impact
Partial
Limited system impact
SSVC data provided by
CISA
Last Modified
2026-07-14
Source
NVD 🔗
CVSS Vector 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE IDs (Weakness Types)