PT-2026-26434 · Discourse · Discourse

Davidtaylorhq + 1 · Published 2026-03-19 · Updated 2026-03-19 · CVE-2026-33408

Mitre

CVSS v3.1

2.2

Low

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

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, moderators were able to see the first 40 characters of post edits in PMs and private categories. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2026-33408

Affected Products

Discourse

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-33408 · Security Note
• https://github.com/discourse/discourse/commit/3bf3793a708662716c0a4eaf64ae091abe71ab4c · Note
• https://github.com/discourse/discourse/security/advisories/GHSA-wf9r-386h-g29c · Note
• https://github.com/discourse/discourse/commit/473288219e93cd17576cf15e4f0b9e388a31d0c1 · Note
• https://github.com/discourse/discourse/commit/62721429d4402505d21280bcbe5894032447d800 · Note