CVE-2026-59172 Joker - Remote Code Execution

Joker < 1.8.2 contains a code execution vulnerability caused by executing project-local linter customizations in .jokerd/ directory, letting attackers execute arbitrary code with linter user's privileges, exploit requires linting files in untrusted repositories.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
28 October 2026
Updated
29 October 2026
Weakness
CWE-829

Vendor fix

Update to version 1.8.2 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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