{"cve":"CVE-2026-120236","nvd":{"published":"2026-11-01T17:16:33.393","modified":"2026-11-01T17:16:33.393","status":"Received","description":"A vulnerability was detected in ag-ui-protocol ag-ui up to 0.0.58. Affected by this vulnerability is an unknown functionality of the component Transport Decoder Handler. The manipulation results in improper input validation. The attack may be launched remotely. The exploit is now public and may be used. The patch is identified as 660182b973a44b8eda5484b14b88eb9cc251edc4. It is suggested to upgrade the affected component.","cvss_v4":{"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","score":2.1},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","score":6.3},"cwes":["CWE-20"],"references":["https://github.com/ag-ui-protocol/ag-ui/","https://github.com/ag-ui-protocol/ag-ui/commit/660182b973a44b8eda5484b14b88eb9cc251edc4","https://github.com/ag-ui-protocol/ag-ui/issues/2524","https://github.com/ag-ui-protocol/ag-ui/pull/2774","https://github.com/ag-ui-protocol/ag-ui/releases/tag/release/2026-10-30"],"reference_tags":[{"url":"https://github.com/ag-ui-protocol/ag-ui/","tags":[]},{"url":"https://github.com/ag-ui-protocol/ag-ui/commit/660182b973a44b8eda5484b14b88eb9cc251edc4","tags":[]},{"url":"https://github.com/ag-ui-protocol/ag-ui/issues/2524","tags":[]},{"url":"https://github.com/ag-ui-protocol/ag-ui/pull/2774","tags":[]},{"url":"https://github.com/ag-ui-protocol/ag-ui/releases/tag/release/2026-10-30","tags":[]}],"products":[],"affected":[],"source":"nvd","synced_at":"2026-11-01T17:45:47.423730894+00:00"},"epss":null,"kev":null,"exploits":[],"weaknesses":[{"name":"Improper Input Validation","common_name":null,"deprecated":false,"replaced_by":[],"id":"CWE-20"}],"osv":[],"fixed":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program.","Public exploits: links to the Exploit Database (https://www.exploit-db.com, by OffSec; index under GPL-2.0), Rapid7's Metasploit Framework modules (https://github.com/rapid7/metasploit-framework, BSD-3-Clause) and ProjectDiscovery's nuclei templates (https://github.com/projectdiscovery/nuclei-templates, MIT). Only the links, titles and dates are stored; no exploit code is fetched or served.","CWE names and descriptions: MITRE's Common Weakness Enumeration (https://cwe.mitre.org), Copyright © 2006–2026, The MITRE Corporation, under the CWE terms of use (https://cwe.mitre.org/about/termsofuse.html). CWE is a trademark of The MITRE Corporation."]}