Discourse is an open source discussion platform.

Code

The project this record applies to. Exploit listings stay in References.

• Repository · github.com

Timeline

Detection, updates, and resolution for this record.

1. Feb 26, 2026 · NIST NVD

   Detected

   Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, DM communication-preference bypass when adding members via — a user could add targets who have blocked/ignored/muted them to an existing DM channel, bypassing per-recipient PM restrictions that are enforced during DM channel creation. Versions 2025.12.2, 2026.1.1, and 2026.2.0 patch the issue. No

2. Jun 17, 2026 · NIST NVD

   Updated

   Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, DM communication-preference bypass when adding members via — a user could add targets who have blocked/ignored/muted them to an existing DM channel, bypassing per-recipient PM restrictions that are enforced during DM channel creation. Versions 2025.12.2, 2026.1.1, and 2026.2.0 patch the issue. No

Affected

• cpe discourse/discourseversion unspecified
• cpe discourse/discourse2026.2.0

Sources

• CVE.orgVulnerability recordCVE-2026-27152

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-27152

  Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, DM communication-preference bypass when adding members via — a user could add targets who have blocked/ignored/muted them to an existing DM channel, byp

  nvd.nist.gov

References

• Vendor Advisory · github.com