{"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"}}]}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.0.0,3.10.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "dasel", "source": "cna", "vendor": "TomWright"}, "product": "dasel", "vendor": "tomwright"}], "created": "2026-07-16T20:00:05.796714+00:00", "updated": "2026-07-16T20:00:05.796745+00:00", "vendors": ["tomwright", "tomwright$PRODUCT$dasel"]}