CVE-2026-72726

Summary

Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, an authenticated user could eavesdrop on private AI bot conversations through the AI bot reply stream. The issue is fixed in 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0.

Affected Software

VendorProductVersion RangeStatus
discoursediscourse< 2026.1.6affected
discoursediscourse>= 2026.5.0, < 2026.5.2affected
discoursediscourse>= 2026.6.0, < 2026.6.1affected

Weaknesses

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

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References