VULNERABILITY INTELLIGENCE

CVE-2026-72728

CVSS score6.3 MEDIUM
EPSS probability0.31%
CISA KEVNot currently listed
Published2026-08-10
Last modified2026-09-08
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Description

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.

Weakness classification

  • security-advisories@github.com: CWE-20

Primary references