{"action":"Upgrade utcp-cli to 1.1.2 or later.","affected":[{"fixed":"1.1.2","introduced":"0"}],"component":"utcp-cli","cve_ids":["CVE-2026-45369"],"ecosystem":"PyPI","epss":0.00322,"exploited":false,"fixed_versions":["1.1.2"],"ghsa_id":"GHSA-33p6-5jxp-p3x4","id":"tcs_01M5KHC4JPYC8SMXM7BYNMH0X4","modified_at":"2026-07-13T16:15:34.582908640Z","published_at":"2026-06-29T11:50:49.296555Z","references":["https://osv.dev/vulnerability/PYSEC-2026-560","https://github.com/universal-tool-calling-protocol/python-utcp/security/advisories/GHSA-33p6-5jxp-p3x4","https://nvd.nist.gov/vuln/detail/CVE-2026-45369","https://github.com/universal-tool-calling-protocol/python-utcp","https://pypi.org/project/utcp-cli","https://github.com/advisories/GHSA-33p6-5jxp-p3x4"],"severity":{"label":"critical","score":10},"sources":[{"source":"osv","source_id":"PYSEC-2026-560","url":"https://osv.dev/vulnerability/PYSEC-2026-560"}],"summary":"utcp-cli Vulnerable to Command Injection via Unsanitized Argument Substitution in CLI Communication Protocol"}