VYPR
Medium severity5.3NVD Advisory· Published Jul 9, 2026· Updated Jul 14, 2026

CVE-2026-45780

CVE-2026-45780

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 products

4
  • Discourse (software)/Discoursellm-fuzzy3 versions
    <2026.6.0, <2026.5.1, <2026.4.2, <2026.1.5+ 2 more
    • (no CPE)range: <2026.6.0, <2026.5.1, <2026.4.2, <2026.1.5
    • cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*range: >=2026.1.0,<2026.1.5
    • cpe:2.3:a:discourse:discourse:2026.6.0:*:*:*:latest:*:*:*
  • osv-coords
    Range: >= 2026.1.0, < 2026.1.5

Patches

Vulnerability mechanics

References

9

News mentions

0

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