MEDIUMVulnerability

CVE-2026-72728

Discourse is an open-source discussion platform. Prior to 2026.1.7, an authenticated user could submit specially formed URLs that bypassed the Onebox allowlist and embedded malicious content in a site. This issue is fixed in versions 2026.1.7, 2026.6.2, 2026.7.1, and 2026.8.0-latest.1.

Properties

severity
MEDIUM
score
6.3
epss_score
0.00185
cve_id
CVE-2026-72728
vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
published_at
2026-08-10T17:17:37.013
last_modified
2026-09-08T20:54:37.790
epss_percentile
0.08121

Related Entities (3)

ENRICHED_BY (1)

[Source]FIRST EPSS

HAS_WEAKNESS (1)

[Weakness]Improper Input Validation

DESCRIBED_BY (1)

[Source]NVD

Explore deeper with Ninja Signal's threat intelligence graph

CVE-2026-72728 — Ninja Signal Threat Intelligence | Ninja Signal