CVE-2026-33073
Last modified
CVE-2026-33073 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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, the discourse-subscriptions plugin leaks stripe API keys across sites in a multisite cluster resulting in the potential for stripe related information to be leaked across sites within the same multisite cluster. EPSS estimates a 0.18% chance of exploitation in the next 30 days.
Description
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, the discourse-subscriptions plugin leaks stripe API keys across sites in a multisite cluster resulting in the potential for stripe related information to be leaked across sites within the same multisite cluster. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Discourse | Discourse | >= 2026.1.0, < 2026.1.3 |
| Discourse | Discourse | >= 2026.2.0, < 2026.2.2 |
| Discourse | Discourse | 2026.3.0 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-33073?
How severe is CVE-2026-33073?
How do I fix CVE-2026-33073?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-33068Claude Code is an agentic coding tool. Versions prior to 2.1…8.8
- CVE-2026-33069PJSIP is a free and open source multimedia communication lib…7.5
- CVE-2026-3307An authorization bypass vulnerability was identified in GitH…2.7
- CVE-2026-33070FileRise is a self-hosted web file manager / WebDAV server. …4.8
- CVE-2026-33071FileRise is a self-hosted web file manager / WebDAV server. …8.8
- CVE-2026-33072FileRise is a self-hosted web file manager / WebDAV server. …7.5
- CVE-2026-33074Discourse is an open-source discussion platform. From versio…5.3
- CVE-2026-33075FastGPT is an AI Agent building platform. In versions 4.14.8…8.8
- CVE-2026-33076Roxy-WI is a web interface for managing Haproxy, Nginx, Apac…9.8
- CVE-2026-33077Roxy-WI is a web interface for managing Haproxy, Nginx, Apac…7.5
- CVE-2026-33078Roxy-WI is a web interface for managing Haproxy, Nginx, Apac…9.8
- CVE-2026-33079In versions 3.0.0a1 through 3.2.0 of Mistune, there is a ReD…8.7
Are you affected by CVE-2026-33073?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST