CVE-2026-48120
Kakoune has a Critical RCE via Autorestore Backup Filename Injection
CVSS Score
8.6
EPSS Score
0.0%
EPSS Percentile
0th
Kakoune is a code editor. Prior to version 2026.05.21, the bundled, enabled by default, `autorestore.kak` script can be exploited by malicious backup files leading to arbitrary kakoune and shell commands being executed by simply opening a file. Kakoune 2026.05.21 fixes the issue. As a workaround, add `autorestore-disable` to the user kakrc will disable the autorestore feature.
| CWE | CWE-74 |
| Vendor | mawww |
| Product | kakoune |
| Published | Aug 7, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
mawww / kakoune
< 2026.05.21