CVE-2026-40960
Publication date 16 April 2026
Last updated 6 June 2026
Ubuntu priority
Description
Luanti 5 before 5.15.2 sometimes allows unintended access to an insecure environment. If at least one mod is listed as secure.trusted_mods or secure.http_mods, then a crafted mod can intercept the request for the insecure environment or HTTP API, and also receive access to it.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| luanti | 26.04 LTS resolute |
Fixed 5.10.0+dfsg-5+deb13u1build0.26.04.1
|
| 25.10 questing |
Fixed 5.10.0+dfsg-5+deb13u1build0.25.10.1
|
|
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
8.1 · High
|
| Attack vector | Local |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Changed |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-8366-1
- Luanti vulnerabilities
- 2 June 2026
Other references
- https://www.cve.org/CVERecord?id=CVE-2026-40960
- https://github.com/luanti-org/luanti/security/advisories/GHSA-22c4-238c-m5j4
- https://github.com/luanti-org/luanti/commit/0faf529bc4b89e70a275ed1162047815118f2413 (master)
- https://github.com/luanti-org/luanti/commit/827fd4cf7f989482b2dad381fa4afd642ea73e8c (5.15.2)