{ "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" } } ] } }