CVE-2026-31309
Last modified
CVE-2026-31309 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Improper authorization in the /tequilapi/config/user endpoint of Mysterium Node from v1.21.1-rc0 before v1.36.0 allows an unauthenticated attacker to arbitrarily overwrite the node's configuration and achieve a full node takeover via a crafted POST request.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.
Description
Improper authorization in the /tequilapi/config/user endpoint of Mysterium Node from v1.21.1-rc0 before v1.36.0 allows an unauthenticated attacker to arbitrarily overwrite the node's configuration and achieve a full node takeover via a crafted POST request.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| — | — | n/a |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-31309?
How severe is CVE-2026-31309?
How do I fix CVE-2026-31309?
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- 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-2026-31272MRCMS 3.1.2 contains an access control vulnerability. The sa…9.8
- CVE-2026-31280An issue in the Bluetooth RFCOMM service of Parani M10 Motor…6.5
- CVE-2026-31281Totara LMS v19.1.5 and before is vulnerable to HTML Injectio…8
- CVE-2026-31282Totara LMS v19.1.5 and before is vulnerable to Incorrect Acc…9.8
- CVE-2026-31283In Totara LMS v19.1.5 and before, the forgot password API do…9.8
- CVE-2026-3130Improper Enforcement of Behavioral Controls in Devolutions S…9.8
- CVE-2026-3131Improper access control in multiple DVLS REST API endpoints…6.5
- CVE-2026-31313An authenticated stored cross-site scripting (XSS) vulnerabi…5.4
- CVE-2026-31317Craftql v1.3.7 and before is vulnerable to Server-Side Reque…7.5
- CVE-2026-3132The Master Addons for Elementor Premium plugin for WordPress…8.8
- CVE-2026-3133A vulnerability has been found in itsourcecode Document Mana…9.8
- CVE-2026-3134A security flaw has been discovered in itsourcecode News Por…9.8
Are you affected by CVE-2026-31309?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
