What is CVE-2026-32615?

CVE-2026-32615 is a medium-severity vulnerability in Discourse, classified under Improper Authorization. CVSS score: 5.4/10. Published 2026-03-31.

How severe is CVE-2026-32615?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Auth bypass in Discourse

CVE-2026-32615

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, category group moderators could perform privileged actions on topics inside private categories they did not have read access to. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.

EPSS: 0.002 (5.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Discourse — versions >= 2026.3.0-latest, < 2026.3.0, >= 2026.2.0-latest, < 2026.2.2, >= 2026.1.0-latest, < 2026.1.3

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2026-32615?: CVE-2026-32615 is a medium-severity vulnerability in Discourse, classified under Improper Authorization. CVSS score: 5.4/10. Published 2026-03-31.
How severe is CVE-2026-32615?: Medium severity. CVSS v3 base score is 5.4 out of 10.