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Medium 6.2Published Jul 16, 2026

CVE-2026-46377Dasel: Index-out-of-range panic in dasel selector lexer on trailing backslash in quoted string

Updated under an hour ago ()

Does this affect you?

It affects TomWright dasel. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Dasel is a command-line tool and library for querying, modifying, and transforming data structures. From 3.0.0 until 3.10.1, the escape sequence handler in (*Tokenizer).parseCurRune in selector/lexer/tokenize.go increments past a trailing backslash in a quoted string such as "\ or '\ and then reads p.src[pos] without a bounds check, allowing attacker-controlled selector strings to trigger a Go index-out-of-range panic. This issue is fixed in version 3.10.1.

CVSS
6.2 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE)
CWE-129
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
GitHub_M
NVD analysis
Deferred
Record last updated
Jul 16, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
TomWright dasel
tomwright:dasel (from the name)
from 3.0.0, < 3.10.1
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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