CVE-2026-33423

1.3 lowEPSS 0.2%

Low (1.3) in discourse discourse. EPSS 0.2% chance of exploitation in the next 30 days.

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, staff can modify any user's group notification level. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

Severity

CVSS 4.0

1.3 low

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U

CVSS 3.1

4.3 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-10-31)
CWE: CWE-862
Published: 2026-03-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

discourse:discourse

References

https://github.com/discourse/discourse/security/advisories/GHSA-qggq-wr6h-vhrg

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