{"action":"Upgrade @gitlawb/openclaude to 0.5.1 or later.","affected":[{"fixed":"0.5.1","introduced":"0"}],"component":"@gitlawb/openclaude","cve_ids":["CVE-2026-42073"],"ecosystem":"npm","epss":0.00288,"exploited":false,"fixed_versions":["0.5.1"],"ghsa_id":"GHSA-c73c-x77g-854r","id":"tcs_01M5KFJ0PKF4TZMBFG44C27CAD","modified_at":"2026-09-10T03:51:05.297595464Z","published_at":"2026-05-12T15:34:30Z","references":["https://osv.dev/vulnerability/GHSA-c73c-x77g-854r","https://github.com/Gitlawb/openclaude/security/advisories/GHSA-c73c-x77g-854r","https://nvd.nist.gov/vuln/detail/CVE-2026-42073","https://github.com/Gitlawb/openclaude/commit/739b8d1f40fde0e401a5cbd2b9a55d88bd5124ad","https://github.com/Gitlawb/openclaude","https://github.com/Gitlawb/openclaude/releases/tag/v0.5.1"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-c73c-x77g-854r","url":"https://osv.dev/vulnerability/GHSA-c73c-x77g-854r"}],"summary":"OpenClaude MCP OAuth Callback: State Check Bypass via error Param Leads to DoS"}