{"id":"CVE-2026-116118","kind":"vulnerability","aliases":["CVE-2026-116118"],"related":[],"title":"Z.ai Zcode: Sed command filter flaw allows OS command injection","description":"A vulnerability has been found in Z.ai Zcode up to 3.14.3/3.15.1. Affected by this issue is some unknown functionality of the component Sed Command Filter. The manipulation leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.","summary":"Z.ai Zcode up to 3.14.3 and 3.15.1 has a flaw in its Sed Command Filter component that lets crafted input inject operating system commands. An attacker who can reach the affected functionality can run commands on the host with the privileges of the Zcode process.","severity":"medium","cvss":6.5,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["ai-tooling","coding-agent","z.ai","zcode"],"not_affected_if":["unknown"],"how_to_check":"- unknown","fix":"- unknown","status":"open","published_at":"2026-10-26T05:17:54+00:00","first_seen_at":"2026-10-26T05:28:34+00:00","triaged_at":"2026-10-26T05:29:09+00:00","updated_at":"2026-10-26T05:29:09+00:00","category":"ai-tooling","confidence":0.5,"triage":{"at":"2026-10-26T05:29:09Z","model":"claude-haiku-5-5","output":{"fix":"- unknown","reach":"internet","title":"Z.ai Zcode: Sed command filter flaw allows OS command injection","impact":"high","summary":"Z.ai Zcode up to 3.14.3 and 3.15.1 has a flaw in its Sed Command Filter component that lets crafted input inject operating system commands. An attacker who can reach the affected functionality can run commands on the host with the privileges of the Zcode process.","category":"ai-tooling","nicknames":[],"who_cares":["zcode","z.ai","coding-agent"],"confidence":0.5,"needs_auth":"unknown","worst_case":"Attacker runs OS commands on the host as the Zcode user","analyst_note":"Find the vendor advisory or patched version for Z.ai Zcode and confirm the exact fixed release and the input path to the Sed Command Filter; source at https://nvd.nist.gov/vuln/detail/CVE-2026-116118.","how_to_check":"- unknown","needs_analyst":true,"not_affected_if":["unknown"],"who_is_affected":"Teams running Z.ai Zcode versions up to 3.14.3 or 3.15.1 on developer machines or servers. The sources do not say which configurations or inputs reach the Sed Command Filter, so whether a given install is exposed is unknown.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000578,"input_tokens":3320,"output_tokens":492,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-116118':13A,16A '-2026':12A,15A '/3.15.1':81C '3.14.3':29B,80C '3.15.1':31B 'affect':55B,82C 'agent':22B 'ai':18B 'ai-tool':17B 'allow':7A 'attack':50B,107C 'code':21B 'coding-ag':20B 'command':4A,9A,38B,48B,59B,94C,101C 'compon':40B,92C 'craft':43B 'cve':11A,14A 'disclos':114C 'exploit':104C,111C 'filter':5A,39B,95C 'flaw':6A,34B 'found':74C 'function':56B,89C 'host':62B 'inject':10A,45B,102C 'input':44B 'issu':85C 'lead':98C 'let':42B 'manipul':97C 'may':119C 'oper':46B 'os':8A,100C 'possibl':109C 'privileg':65B 'process':69B 'public':117C 'reach':53B 'remot':103C 'run':58B 'sed':3A,37B,93C 'system':47B 'tool':19B 'unknown':88C 'use':121C 'vulner':71C 'z.ai':1A,23B,25B,76C 'zcode':2A,24B,26B,68B,77C","nicknames":[],"mitigations":[],"who_affected":"Teams running Z.ai Zcode versions up to 3.14.3 or 3.15.1 on developer machines or servers. The sources do not say which configurations or inputs reach the Sed Command Filter, so whether a given install is exposed is unknown.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T05:17:54+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","cvss_by":"cna@vuldb.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-116118","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116118","severity":null,"published_at":"2026-10-26T05:17:54+00:00","modified_at":"2026-10-26T05:17:54+00:00","first_seen_at":"2026-10-26T05:28:34+00:00","fetched_at":"2026-10-26T05:28:34+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}