CVE-2026-40959
CRITICALCVSS 9.3/10EPSS 0.18%
Last modified
CVE-2026-40959 is a critical-severity vulnerability rated 9.3/10 on the CVSS scale. Luanti 5 before 5.15.2, when LuaJIT is used, allows a Lua sandbox escape via a crafted mod.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.
Description
Luanti 5 before 5.15.2, when LuaJIT is used, allows a Lua sandbox escape via a crafted mod.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-40959?
Luanti 5 before 5.15.2, when LuaJIT is used, allows a Lua sandbox escape via a crafted mod.
How severe is CVE-2026-40959?
CVE-2026-40959 has a CVSS score of 9.3/10 (CRITICAL severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2026-40959?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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-2026-40953CVE-2026-40953 is a heap overflow in the certificate parsing…4.4
- CVE-2026-40954CVE-2026-40954 is an integer underflow vulnerability in the …3.7
- CVE-2026-40955CVE-2026-40955 is an integer underflow vulnerability in the …3.7
- CVE-2026-40956CVE-2026-40956 is a memory disclosure vulnerability in Secur…3.7
- CVE-2026-40957o CVE-2026-40957 is a frameable content vulnerability in t…7.5
- CVE-2026-40958CVE-2026-40958 is a input validation error in Secure Access …3.7
- CVE-2026-4096IBM DevOps Plan 3.0.0 through 3.0.6 is vulnerable to HTTP he…6.1
- CVE-2026-40960Luanti 5 before 5.15.2 sometimes allows unintended access to…8.1
- CVE-2026-40961A bug in the login redirect route in Apache Airflow allowed …7.2
- CVE-2026-40962FFmpeg before 8.1 has an integer overflow and resultant out-…9.8
- CVE-2026-40963The structure_data endpoint in the Airflow UI returned exter…3.1
- CVE-2026-40964Authentication Bypass in cf-auth-proxy in Cloud Foundry Foun…7.5
Are you affected by CVE-2026-40959?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST