CVE-2026-62866

dasel: Dasel is a command-line tool and library for querying, modifying, and transforming data structures

CVE-2026-62866 is fixed in dasel on 1 platform by DEBIAN-CVE-2026-62866 (version 3.11.2-1), released September 24, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
6.2
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0019
8th percentile

Dasel is a command-line tool and library for querying, modifying, and transforming data structures. From 3.0.0 until 3.11.2, selector/lexer/tokenize.go parseCurRune advances the input index across trailing whitespace and then reads the source at the exhausted index without an end-of-input check. A selector ending in whitespace, including input passed through lexer.NewTokenizer(...).Tokenize() or dasel.Query, can therefore cause an index-out-of-range panic and terminate the process. This issue is fixed in version 3.11.2.

Where it's fixed

ProductFixed inFixReleased
Linux
dasel · Debian 14 3.11.2-1 DEBIAN-CVE-2026-62866 Sep 24, 2026

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