{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-41256", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-04-18T14:01:46.801Z", "datePublished": "2026-05-11T17:18:30.975Z", "dateUpdated": "2026-06-23T15:51:43.506Z" }, "containers": { "cna": { "title": "jq: Embedded NUL truncates top-level jq programs loaded with -f", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-158", "lang": "en", "description": "CWE-158: Improper Neutralization of Null Byte or NUL Character", "type": "CWE" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "version": "3.1" } } ], "references": [ { "name": "https://github.com/jqlang/jq/security/advisories/GHSA-vf2h-chrj-q3fg", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/jqlang/jq/security/advisories/GHSA-vf2h-chrj-q3fg" } ], "affected": [ { "vendor": "jqlang", "product": "jq", "versions": [ { "version": "<= 1.8.1", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-11T17:18:30.975Z" }, "descriptions": [ { "lang": "en", "value": "jq is a command-line JSON processor. In 1.8.1 and earlier, Top-level jq programs loaded from a file with -f are truncated at the first embedded NUL byte on current upstream HEAD. A crafted filter file such as . followed by \\x00 and arbitrary suffix compiles and executes as only the prefix before the NUL. This leaves jq with a post-CVE-2026-33948 prefix/full-buffer mismatch on the compilation path even though the JSON parser path has already been fixed." } ], "source": { "advisory": "GHSA-vf2h-chrj-q3fg", "discovery": "UNKNOWN" } }, "adp": [ { "references": [ { "url": "https://github.com/jqlang/jq/security/advisories/GHSA-vf2h-chrj-q3fg", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-05-11T20:12:56.609851Z", "id": "CVE-2026-41256", "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": "2026-06-23T15:51:43.506Z" } } ] } }