{"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"}}]}}