{"action":"Upgrade openclaw to 2026.4.2 or later.","affected":[{"fixed":"2026.4.2","introduced":"0"}],"component":"openclaw","cve_ids":["CVE-2026-34511"],"ecosystem":"npm","epss":0.00238,"exploited":false,"fixed_versions":["2026.4.2"],"ghsa_id":"GHSA-9jpj-g8vv-j5mf","id":"tcs_01M5KFG4V5G8823ET38P822M2T","modified_at":"2026-04-07T14:44:19.269908Z","published_at":"2026-04-04T06:26:55Z","references":["https://osv.dev/vulnerability/GHSA-9jpj-g8vv-j5mf","https://github.com/openclaw/openclaw/security/advisories/GHSA-9jpj-g8vv-j5mf","https://nvd.nist.gov/vuln/detail/CVE-2026-34511","https://github.com/openclaw/openclaw/commit/a26f4d0f3ef0757db6c6c40277cc06a5de76c52f","https://github.com/openclaw/openclaw","https://www.vulncheck.com/advisories/openclaw-pkce-verifier-exposure-via-oauth-state-parameter"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"GHSA-9jpj-g8vv-j5mf","url":"https://osv.dev/vulnerability/GHSA-9jpj-g8vv-j5mf"},{"source":"nvd","source_id":"CVE-2026-34511","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34511"}],"summary":"OpenClaw: Gemini OAuth exposed the PKCE verifier through the OAuth state parameter"}