CVE-2026-43989
Last modified
CVE-2026-43989 is a high-severity vulnerability rated 8.5/10 on the CVSS scale. JunoClaw is an agentic AI platform built on Juno Network. Prior to 0.x.y-security-1, the upload_wasm MCP tool accepted a filesystem path from the agent and uploaded whatever bytes the path resolved to, with no validation of location, symlink target, file size, or file format. EPSS estimates a 0.15% chance of exploitation in the next 30 days.
Description
JunoClaw is an agentic AI platform built on Juno Network. Prior to 0.x.y-security-1, the upload_wasm MCP tool accepted a filesystem path from the agent and uploaded whatever bytes the path resolved to, with no validation of location, symlink target, file size, or file format. This vulnerability is fixed in 0.x.y-security-1.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-43989?
How severe is CVE-2026-43989?
How do I fix CVE-2026-43989?
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-2026-43982Algernon is a small self-contained pure-Go web server. Prior…8.7
- CVE-2026-43983Pocket ID is an OIDC provider that allows users to authentic…8.1
- CVE-2026-43984Tautulli is a Python based monitoring and tracking tool for …8.9
- CVE-2026-43985Tautulli is a Python based monitoring and tracking tool for …8.8
- CVE-2026-43986Tautulli is a Python based monitoring and tracking tool for …9.9
- CVE-2026-43988Vanetza is an open-source implementation of the ETSI C-ITS p…7.5
- CVE-2026-4399Prompt injection vulnerability in 1millionbot Millie chatbot…7.5
- CVE-2026-43990JunoClaw is an agentic AI platform built on Juno Network. Pr…8.4
- CVE-2026-43991JunoClaw is an agentic AI platform built on Juno Network. Pr…8.4
- CVE-2026-43992JunoClaw is an agentic AI platform built on Juno Network. Pr…9.8
- CVE-2026-43993JunoClaw is an agentic AI platform built on Juno Network. Pr…8.2
- CVE-2026-43994Coturn is a free open source implementation of TURN and STUN…9.8
Are you affected by CVE-2026-43989?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST