{"id":"GHSA-ch86-pxr9-j9h9","revision":null,"records":[{"revision":"54162166383149da9a50d7ab844e1d51","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-34511","aliases":[],"title":"OpenClaw < 2026.4.2 - PKCE Verifier Exposure via OAuth State Parameter","description":"OpenClaw before 2026.4.2 reuses the PKCE verifier as the OAuth state parameter in the Gemini OAuth flow, exposing it through the redirect URL. Attackers who capture the redirect URL can obtain both the authorization code and PKCE verifier, defeating PKCE protection and enabling token redemption.","state":0,"publishedAt":"2026-04-03T20:45:41.499+00:00","modifiedAt":"2026-09-24T14:17:31.108+00:00","affected":[{"ecosystem":"Vendor product","name":"OpenClaw","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"OpenClaw\",\n                    \"product\": \"OpenClaw\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"2026.4.2\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"unaffected\",\n                            \"version\": \"2026.4.2\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:npm/openclaw\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","score":6,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","score":5.3,"severity":"MEDIUM"}],"references":["https://github.com/openclaw/openclaw/security/advisories/GHSA-9jpj-g8vv-j5mf","https://github.com/openclaw/openclaw/commit/a26f4d0f3ef0757db6c6c40277cc06a5de76c52f","https://www.vulncheck.com/advisories/openclaw-pkce-verifier-exposure-via-oauth-state-parameter"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-34511","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-34511","identifiers":["CVE-2026-34511"]},"retained":false,"historicalAffected":[]},{"revision":"011663b5ac6d419ab033ad282671c63c","observedAt":"2026-11-11T09:28:28.495+00:00","statement":{"source":"euvd","id":"EUVD-2026-18849","aliases":["CVE-2026-34511","GHSA-ch86-pxr9-j9h9"],"title":"OpenClaw before 2026.4.2 reuses the PKCE verifier as the OAuth state parameter in the Gemini OAuth flow, exposing it through the redirect URL. Attackers who capture the redirect URL can obtain both the authorization code and PKCE verifier, …","description":"OpenClaw before 2026.4.2 reuses the PKCE verifier as the OAuth state parameter in the Gemini OAuth flow, exposing it through the redirect URL. Attackers who capture the redirect URL can obtain both the authorization code and PKCE verifier, defeating PKCE protection and enabling token redemption.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","score":6,"severity":null}],"references":["https://github.com/openclaw/openclaw/security/advisories/GHSA-9jpj-g8vv-j5mf","https://github.com/openclaw/openclaw/commit/a26f4d0f3ef0757db6c6c40277cc06a5de76c52f","https://www.vulncheck.com/advisories/openclaw-pkce-verifier-exposure-via-oauth-state-parameter"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-18849","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Apr 3, 2026, 8:45:41 PM","dateUpdated":"Sep 24, 2026, 2:17:31 PM"},"relatedAdvisories":[{"id":"WID-SEC-W-2026-0980","title":"OpenClaw: Mehrere Schwachstellen","vulnerabilityIds":["CVE-2026-34425","CVE-2026-34426","CVE-2026-34511","CVE-2026-41295","CVE-2026-41298","CVE-2026-41301","CVE-2026-41339","CVE-2026-41346","CVE-2026-41348","CVE-2026-41351","CVE-2026-41352","CVE-2026-41354","CVE-2026-41358","CVE-2026-41360","CVE-2026-41362","CVE-2026-41372","CVE-2026-41383","CVE-2026-41388","CVE-2026-41398","CVE-2026-41400","CVE-2026-41407"]}],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-18849","identifiers":["EUVD-2026-18849","CVE-2026-34511","GHSA-ch86-pxr9-j9h9"]},"retained":false,"historicalAffected":[]},{"revision":"62c23fc8b92644e69a21d5cba6e33a94","observedAt":"2026-10-25T08:17:35.884+00:00","statement":{"source":"nvd","id":"CVE-2026-34511","aliases":[],"title":"OpenClaw before 2026.4.2 reuses the PKCE verifier as the OAuth state parameter in the Gemini OAuth flow, exposing it through the redirect URL. Attackers who capture the redirect URL can obtain both the authorization code and PKCE verifier, …","description":"OpenClaw before 2026.4.2 reuses the PKCE verifier as the OAuth state parameter in the Gemini OAuth flow, exposing it through the redirect URL. Attackers who capture the redirect URL can obtain both the authorization code and PKCE verifier, defeating PKCE protection and enabling token redemption.","state":0,"publishedAt":"2026-04-03T21:17:11.517+00:00","modifiedAt":"2026-07-24T22:10:00.14+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · disclosure@vulncheck.com · Secondary","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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","score":6,"severity":"MEDIUM"},{"system":"CVSS 3.1 · disclosure@vulncheck.com · Secondary","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","score":5.3,"severity":"MEDIUM"},{"system":"CVSS 3.1 · nvd@nist.gov · Primary","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","score":5.9,"severity":"MEDIUM"}],"references":["https://github.com/openclaw/openclaw/commit/a26f4d0f3ef0757db6c6c40277cc06a5de76c52f","https://github.com/openclaw/openclaw/security/advisories/GHSA-9jpj-g8vv-j5mf","https://www.vulncheck.com/advisories/openclaw-pkce-verifier-exposure-via-oauth-state-parameter"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-34511","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-330"],"productCriteria":["cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*"],"sourceDates":{"published":"2026-04-03T21:17:11.517","lastModified":"2026-07-24T22:10:00.140"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-34511","identifiers":["CVE-2026-34511"]},"retained":false,"historicalAffected":[]},{"revision":"682ef78e39054eb9bfa32f277c933e0a","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-9jpj-g8vv-j5mf","aliases":["CVE-2026-34511"],"title":"OpenClaw: Gemini OAuth exposed the PKCE verifier through the OAuth state parameter","description":"## Summary\n\nBefore OpenClaw 2026.4.2, the Gemini OAuth flow reused the PKCE verifier as the OAuth `state` value. Because the provider reflected `state` back in the redirect URL, the verifier could be exposed alongside the authorization code.\n\n## Impact\n\nAnyone who could capture the redirect URL could learn both the authorization code and the PKCE verifier, defeating PKCE's interception protection for that flow and enabling token redemption.\n\n## Affected Packages / Versions\n\n- Package: `openclaw` (npm)\n- Affected versions: `<= 2026.4.1`\n- Patched versions: `>= 2026.4.2`\n- Latest published npm version: `2026.4.1`\n\n## Fix Commit(s)\n\n- `a26f4d0f3ef0757db6c6c40277cc06a5de76c52f` — separate OAuth state from the PKCE verifier\n\nOpenClaw thanks @BG0ECV for reporting.","state":0,"publishedAt":"2026-04-04T06:26:55+00:00","modifiedAt":"2026-04-07T14:44:19.269908+00:00","affected":[{"ecosystem":"npm","name":"openclaw","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"2026.4.2"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V4","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:H/SI:H/SA:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["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"],"sourceUrl":"https://github.com/advisories/GHSA-9jpj-g8vv-j5mf","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-9jpj-g8vv-j5mf","identifiers":["GHSA-9jpj-g8vv-j5mf","CVE-2026-34511"]},"retained":false,"historicalAffected":[]},{"revision":"7148f8637c9744cb8bd562ba0a993161","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-ch86-pxr9-j9h9","aliases":[],"title":"Duplicate Advisory: OpenClaw: Gemini OAuth exposed the PKCE verifier through the OAuth state parameter","description":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-9jpj-g8vv-j5mf. This link is maintained to preserve external references.\n\n### Original Description\nOpenClaw before 2026.4.2 reuses the PKCE verifier as the OAuth state parameter in the Gemini OAuth flow, exposing it through the redirect URL. Attackers who capture the redirect URL can obtain both the authorization code and PKCE verifier, defeating PKCE protection and enabling token redemption.","state":2,"publishedAt":"2026-04-03T21:31:43+00:00","modifiedAt":"2026-04-07T14:35:38.649892+00:00","affected":[{"ecosystem":"npm","name":"openclaw","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"2026.4.2"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","score":null,"severity":null},{"system":"CVSS_V4","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["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://www.vulncheck.com/advisories/openclaw-pkce-verifier-exposure-via-oauth-state-parameter"],"sourceUrl":"https://github.com/advisories/GHSA-ch86-pxr9-j9h9","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-ch86-pxr9-j9h9","identifiers":["GHSA-ch86-pxr9-j9h9"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-11-12T15:18:36.8013667+00:00","complete":true,"records":1779,"lastAttemptAt":"2026-11-12T15:18:36.8013667+00:00","lastSuccessAt":"2026-11-12T15:18:36.9729425+00:00","error":null,"lastVerifiedAt":"2026-11-12T15:18:36.9729445+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-64752486c567b55b31fb0d7225f5222bcd0019564ac0ac5f0649e242c7b19299-ce52085a719093f0c5c1a22955ef40113c8b4b78fc48ea8cae75798f0654ca92","complete":true,"records":424686,"lastAttemptAt":"2026-11-12T15:16:35.6551392+00:00","lastSuccessAt":"2026-11-12T15:16:35.6028566+00:00","error":null,"lastVerifiedAt":"2026-11-12T15:16:35.6551392+00:00","snapshotPublishedAt":"2026-11-12T14:24:01+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-0dd173dcc5624b0cb371f5065d625c0e","complete":true,"records":13774,"lastAttemptAt":"2026-11-12T15:19:09.2061396+00:00","lastSuccessAt":"2026-11-12T15:19:09.202+00:00","error":null,"lastVerifiedAt":"2026-11-12T15:19:09.202+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13827,"expectedIdentifiers":13827,"failedIdentifiers":0},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-12T15:18:36.8013667+00:00","complete":true,"records":1097,"lastAttemptAt":"2026-11-12T15:18:36.8013667+00:00","lastSuccessAt":"2026-11-12T15:18:36.9737093+00:00","error":null,"lastVerifiedAt":"2026-11-12T15:18:36.9737094+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-244ddfd3100f4fc8a5e84e4b9cd74abd","complete":false,"records":13774,"lastAttemptAt":"2026-11-12T15:19:02.4295729+00:00","lastSuccessAt":"2026-11-12T15:19:02.425+00:00","error":null,"lastVerifiedAt":"2026-11-12T15:19:02.425+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13813,"expectedIdentifiers":13827,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-3562b6c78fd1bd0f0b55daf66a0926ae24f65e462df7f6d928caad458fc696bf","complete":true,"records":9947,"lastAttemptAt":"2026-11-12T15:18:32.0027103+00:00","lastSuccessAt":"2026-11-11T04:27:43.6877707+00:00","error":null,"lastVerifiedAt":"2026-11-12T15:18:32.0027103+00:00","snapshotPublishedAt":"2026-11-11T03:32:46+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-456002455e0ab94bb92c95476d4e6d175c104cd594749982afd96c893728ecbc","complete":true,"records":2010,"lastAttemptAt":"2026-11-12T15:16:35.7970165+00:00","lastSuccessAt":"2026-11-11T02:36:58.1276999+00:00","error":null,"lastVerifiedAt":"2026-11-12T15:16:35.7970165+00:00","snapshotPublishedAt":"2026-11-11T01:17:51+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-0d57668ba92a2918d0664e89ea91d467f8e6a2bc6330923eb883b74ac42a14ec","complete":true,"records":3125,"lastAttemptAt":"2026-11-12T15:18:36.7661944+00:00","lastSuccessAt":"2026-11-12T15:18:36.6112732+00:00","error":null,"lastVerifiedAt":"2026-11-12T15:18:36.7661944+00:00","snapshotPublishedAt":"2026-11-12T14:48:37+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-6cbb44aef5fd07e3509d0cb5958d1e038086e0624fe50035d08dda411a5244cc","complete":true,"records":231701,"lastAttemptAt":"2026-11-12T15:18:31.8701979+00:00","lastSuccessAt":"2026-11-12T15:18:30.29474+00:00","error":null,"lastVerifiedAt":"2026-11-12T15:18:31.8701979+00:00","snapshotPublishedAt":"2026-11-12T14:33:24+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}