{"id":"CVE-2026-113602","title":"json-smart through 2.6.0 Strict-Mode Validation Bypass via 0x1A Character","summary":"json-smart through 2.6.0 contains an input validation bypass vulnerability that allows attackers to evade strict-mode trailing-data checks by inserting a literal 0x1A character. Attackers can append 0x1A and malformed content to pass JSO…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","cvssSource":"cna","cwe":["CWE-147"],"vendor":"json-smart","product":"json-smart","affected":["json-smart <= 2.6.0"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-20T16:30:31.776341Z"},"exploitAvailable":true,"published":"2026-10-20","updated":"2026-10-20","sourceUpdated":"2026-10-20T16:30:53.742Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-113602","references":[{"url":"https://github.com/netplex/json-smart-v2/issues/302"},{"url":"https://github.com/netplex/json-smart-v2/blob/v2.6.0/json-smart/src/main/java/net/minidev/json/parser/JSONParserBase.java"},{"url":"https://www.vulncheck.com/advisories/json-smart-through-2.6.0-strict-mode-validation-bypass-via-0x1a-character","label":"VulnCheck Advisory: json-smart through 2.6.0 Strict-Mode Validation Bypass via 0x1A Character"}],"tags":["cve.org","exploit-available"],"ingestedAt":"2026-10-20T16:10:53.305Z","slug":"CVE-2026-113602","body":"## Overview\n\njson-smart through 2.6.0 contains an input validation bypass vulnerability that allows attackers to evade strict-mode trailing-data checks by inserting a literal 0x1A character. Attackers can append 0x1A and malformed content to pass JSONValue.parseStrict or isValidJsonStrict validation, creating parser differentials with downstream parsers like Jackson or Gson.\n\n## Affected\n\n- `json-smart <= 2.6.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":226003,"id":"CVE-2026-113602","ts":1792516421713,"field":"exploit_available","old":"false","new":"true"}]}