{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46378","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-05-13T19:53:47.921Z","datePublished":"2026-07-16T17:54:51.705Z","dateUpdated":"2026-07-17T15:06:49.587Z"},"containers":{"cna":{"title":"Dasel: Denial of service in dasel selector lexer due to infinite loop on unterminated regex literal","problemTypes":[{"descriptions":[{"cweId":"CWE-835","lang":"en","description":"CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.2,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/TomWright/dasel/security/advisories/GHSA-m6xr-fvfg-5g64","tags":["x_refsource_CONFIRM"],"url":"https://github.com/TomWright/dasel/security/advisories/GHSA-m6xr-fvfg-5g64"},{"name":"https://github.com/TomWright/dasel/commit/95f8dd3af12958bf6ca2a737b3ec0267280f86ed","tags":["x_refsource_MISC"],"url":"https://github.com/TomWright/dasel/commit/95f8dd3af12958bf6ca2a737b3ec0267280f86ed"}],"affected":[{"vendor":"TomWright","product":"dasel","versions":[{"version":">= 3.0.0, < 3.10.1","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-07-16T17:57:33.923Z"},"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."}],"source":{"advisory":"GHSA-m6xr-fvfg-5g64","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/TomWright/dasel/security/advisories/GHSA-m6xr-fvfg-5g64","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-17T15:06:25.761486Z","id":"CVE-2026-46378","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-17T15:06:49.587Z"}}]}}