CVE-2026-33424 — PM access granted through invites after access revocation

CVE-2026-33424

PM access granted through invites after access revocation PUBLISHED

Description (CNA)

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, an attacker can grant access to a private message topic through invites even after they lose access to that PM. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

Affected (CNA)

Vendor / product	Versions
discourse / discourse	affected >= 2026.1.0-latest, < 2026.1.2; affected >= 2026.2.0-latest, < 2026.2.1; affected = 2026.3.0-latest

CWE

CWE-863

References

https://github.com/discourse/discourse/security/advisories/GHSA-hgcp-p7hq-cwxw

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.