{"cve":"CVE-2026-46378","nvd":{"published":"2026-07-16T19:16:46.260","modified":"2026-10-24T20:10:00.137","status":"Deferred","description":"Dasel is a command-line tool and library for querying, modifying, and transforming data structures. From 3.0.0 until 3.10.1, the selector lexer matchRegexPattern closure in (*Tokenizer).parseCurRune in selector/lexer/tokenize.go loops while tokenizing an unterminated regex literal such as r/ because peekRuneEqual returns false after the end of input, allowing attacker-controlled selector strings to consume CPU indefinitely. This issue is fixed in version 3.10.1.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":6.2},"cwes":["CWE-835"],"references":["https://github.com/TomWright/dasel/commit/95f8dd3af12958bf6ca2a737b3ec0267280f86ed","https://github.com/TomWright/dasel/security/advisories/GHSA-m6xr-fvfg-5g64","https://github.com/TomWright/dasel/security/advisories/GHSA-m6xr-fvfg-5g64"],"products":[],"source":"nvd","synced_at":"2026-10-25T17:50:08.599881581+00:00"},"epss":{"cve":"CVE-2026-46378","score":0.00162,"percentile":0.05332,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-m6xr-fvfg-5g64","url":"https://osv.dev/vulnerability/GHSA-m6xr-fvfg-5g64","summary":"Dasel: Denial of service in dasel selector lexer due to infinite loop on unterminated regex literal","modified":"2026-09-10T03:51:06.298109761Z","packages":[{"ecosystem":"Go","name":"github.com/tomwright/dasel/v3","purl":"pkg:golang/github.com/tomwright/dasel/v3","ranges":[">=3.0.0 <3.10.1"],"fixed":["3.10.1"]}]},{"id":"GO-2026-5493","url":"https://osv.dev/vulnerability/GO-2026-5493","summary":"Dasel: Denial of service in dasel selector lexer due to infinite loop on unterminated regex literal in github.com/tomwright/dasel","modified":"2026-06-25T23:01:19.184160091Z","packages":[{"ecosystem":"Go","name":"github.com/tomwright/dasel","purl":"pkg:golang/github.com/tomwright/dasel","ranges":["all versions"],"fixed":[]},{"ecosystem":"Go","name":"github.com/tomwright/dasel/v2","purl":"pkg:golang/github.com/tomwright/dasel/v2","ranges":["all versions"],"fixed":[]},{"ecosystem":"Go","name":"github.com/tomwright/dasel/v3","purl":"pkg:golang/github.com/tomwright/dasel/v3","ranges":[">=3.0.0 <3.10.1"],"fixed":["3.10.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}