{"id":"CVE-2026-46378","sourceIdentifier":"security-advisories@github.com","published":"2026-07-16T19:16:46.260","lastModified":"2026-10-24T20:10:00.137","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"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."},{"lang":"es","value":"Dasel es una herramienta de línea de comandos y biblioteca para consultar, modificar y transformar estructuras de datos. Desde la versión 3.0.0 hasta la 3.10.1, el cierre matchRegexPattern del analizador léxico de selectores en (Tokenizer).parseCurRune en selector/lexer/tokenize.go entra en un bucle al tokenizar un literal de expresión regular no terminado como r/ porque peekRuneEqual devuelve falso después del final de la entrada, permitiendo que cadenas de selectores controladas por el atacante consuman CPU indefinidamente. Este problema está solucionado en la versión 3.10.1."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"TomWright","product":"dasel","versions":[{"version":">= 3.0.0, < 3.10.1","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":6.2,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.5,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-17T15:06:25.761486Z","id":"CVE-2026-46378","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-835"}]}],"references":[{"url":"https://github.com/TomWright/dasel/commit/95f8dd3af12958bf6ca2a737b3ec0267280f86ed","source":"security-advisories@github.com"},{"url":"https://github.com/TomWright/dasel/security/advisories/GHSA-m6xr-fvfg-5g64","source":"security-advisories@github.com"},{"url":"https://github.com/TomWright/dasel/security/advisories/GHSA-m6xr-fvfg-5g64","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}