PT-2026-29316 · Discourse · Discourse

Davidtaylorhq · CVE-2026-33074 · Published 2026-03-31 · Updated 2026-07-24

Positive Technologies (AI Summary)

CVSS v4.0

6.3

Medium

Base vector

AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0 through 2026.1.2, 2026.2.0 through 2026.2.1, and 2026.3.0

Description A user may be able to purchase a lower tier subscription but grant themselves the benefits of a higher tier subscription.

Recommendations Update to Discourse version 2026.1.3 or later. Update to Discourse version 2026.2.2 or later. Update to Discourse version 2026.3.0 or later.

Exploit

Fix

Improper Privilege Management

Improper Authorization

Weakness Enumeration

CWE-269

CWE-285

Related Identifiers

BIT-DISCOURSE-2026-33074

CVE-2026-33074

GHSA-9VG5-MP49-XGHH

Affected Products

Discourse

References · 7

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33074.json · Exploit
• https://github.com/discourse/discourse/commit/c34f2aac8dcd1ae2886fa84256f607bc003f9d80 · Patch
• https://github.com/discourse/discourse/security/advisories/GHSA-9vg5-mp49-xghh · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-33074 · Security Note
• https://osv.dev/vulnerability/CVE-2026-33074 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-discourse-2026-33074 · Vendor Advisory
• https://t.me/cveNotify/221402 · Telegram Post