PT-2026-29315 · Discourse · Discourse-Subscriptions+1

Davidtaylorhq · Published 2026-03-31 · Updated 2026-04-07 · CVE-2026-33073

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A: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 through 2026.3.0

Description The discourse-subscriptions plugin leaks stripe API keys across sites in a multisite cluster, potentially leading to the leakage of stripe-related information across sites within the same cluster.

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

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

BIT-DISCOURSE-2026-33073

CVE-2026-33073

GHSA-F866-8FCP-FGVV

Affected Products

Discourse

Discourse-Subscriptions

References · 6

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33073.json · Exploit
• https://github.com/discourse/discourse/security/advisories/GHSA-f866-8fcp-fgvv · Vendor Advisory
• https://github.com/discourse/discourse/commit/c34f2aac8dcd1ae2886fa84256f607bc003f9d80 · Patch
• https://osv.dev/vulnerability/BIT-discourse-2026-33073 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-33073 · Security Note
• https://osv.dev/vulnerability/CVE-2026-33073 · Vendor Advisory