{"id":"CVE-2026-34510","aliases":["EUVD-2026-17915","GHSA-98ch-45wp-ch47","GHSA-w4h3-gpv2-82qc"],"status":"published","title":"OpenClaw \u003c 2026.3.22 - Remote File URL Acceptance in Windows Media Loaders","description":"OpenClaw before 2026.3.22 contains a path traversal vulnerability in Windows media loaders that accepts remote-host file URLs and UNC-style paths before local-path validation. Attackers can exploit this by providing network-hosted file targets that are treated as local content, bypassing intended access restrictions.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00331,"percentile":0.26672,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-178","CWE-184","CWE-40","CWE-41"],"published":"2026-03-26T19:07:55Z","modified":"2026-11-11T02:50:49Z","fixes":[{"ecosystem":"npm","package":"openclaw","fixed_in":["2026.4.2"],"sources":["ghsa"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"openclaw","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2026.4.1"},{"fixed":"2026.4.2"}]}]},{"source":"osv","ecosystem":"npm","package":"openclaw","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.4.2"}]}],"bundled":2},{"source":"osv","ecosystem":"npm","package":"openclaw","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.3.22"}]}],"bundled":2}],"products":[{"vendor":"openclaw","product":"openclaw"}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-h3x4-hc5v-v2gm","tags":["vendor-advisory","Vendor Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87","tags":["patch","Patch","fix"]},{"url":"https://github.com/openclaw/openclaw/commit/4fd7feb0fd4ec16c48ed983980dba79a09b3aaf5","tags":["patch","Patch","fix","web"]},{"url":"https://github.com/openclaw/openclaw/commit/93880717f1cd34feaa45e74e939b7a5256288901","tags":["patch","Patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/openclaw-remote-file-url-acceptance-in-windows-media-loaders","tags":["third-party-advisory","Third Party Advisory","advisory"]},{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-98ch-45wp-ch47","tags":["advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/7eb094a00d80e9f6bf0e62f2c45d3b88ff67c04d","tags":["web"]},{"url":"https://github.com/advisories/GHSA-98ch-45wp-ch47"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34510","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-w4h3-gpv2-82qc"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34426.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34426","tags":["advisory"]},{"url":"https://www.vulncheck.com/advisories/openclaw-approval-bypass-via-environment-variable-normalization","tags":["advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/b57b680c0c34de907d57f60c38fb358e82aef8f7","tags":["fix","web"]},{"url":"https://github.com/openclaw/openclaw/pull/59182","tags":["fix","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34510.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-34510","title":"OpenClaw \u003c 2026.3.22 - Remote File URL Acceptance in Windows Media Loaders","description":"OpenClaw before 2026.3.22 contains a path traversal vulnerability in Windows media loaders that accepts remote-host file URLs and UNC-style paths before local-path validation. Attackers can exploit this by providing network-hosted file targets that are treated as local content, bypassing intended access restrictions.","status":"published","published":"2026-04-01T15:29:35.712Z","modified":"2026-09-24T14:17:30.144Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-41"],"updated_at":"2026-11-02T14:20:14.665567Z"}],"euvd":[{"id":"EUVD-2026-17915","description":"OpenClaw before 2026.3.22 contains a path traversal vulnerability in Windows media loaders that accepts remote-host file URLs and UNC-style paths before local-path validation. Attackers can exploit this by providing network-hosted file targets that are treated as local content, bypassing intended access restrictions.","status":"published","published":"2026-04-01T15:29:35Z","modified":"2026-09-24T14:17:30Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T17:27:58.186745Z"}],"ghsa":[{"id":"GHSA-98ch-45wp-ch47","title":"OpenClaw: Windows-compatible env override keys could bypass system.run approval binding","description":"## Summary\n\nBefore OpenClaw 2026.4.2, system-run approval binding normalized environment override keys differently from host execution. Windows-compatible keys could be omitted from the approval binding while still being injected at execution time.\n\n## Impact\n\nAn approved command could run with attacker-chosen environment overrides that were not represented in the approval binding. This created an approval-integrity gap for affected host-exec flows.\n\n## Affected Packages / Versions\n\n- Package: `openclaw` (npm)\n- Affected versions: `\u003c= 2026.4.1`\n- Patched versions: `\u003e= 2026.4.2`\n- Latest published npm version: `2026.4.1`\n\n## Fix Commit(s)\n\n- `7eb094a00d80e9f6bf0e62f2c45d3b88ff67c04d` — align approval binding with execution-time env-key normalization\n\n## Release Process Note\n\nThe fix is present on `main` and is staged for OpenClaw `2026.4.2`. Publish this advisory after the `2026.4.2` npm release is live.\n\nThanks @iskindar for reporting, and thanks @wsparks-vc for coordination.","status":"published","published":"2026-04-07T18:15:48Z","modified":"2026-04-07T18:15:49Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-178"],"updated_at":"2026-11-02T14:39:50.076383Z"},{"id":"GHSA-w4h3-gpv2-82qc","title":"OpenClaw before 2026.3.22 contains a path traversal vulnerability in Windows media loaders that...","description":"OpenClaw before 2026.3.22 contains a path traversal vulnerability in Windows media loaders that accepts remote-host file URLs and UNC-style paths before local-path validation. Attackers can exploit this by providing network-hosted file targets that are treated as local content, bypassing intended access restrictions.","status":"published","published":"2026-04-01T18:36:36Z","modified":"2026-04-01T18:36:57Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/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","level":"medium"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-41"],"updated_at":"2026-11-02T15:07:04.310482Z"}],"nvd":[{"id":"CVE-2026-34510","description":"OpenClaw before 2026.3.22 contains a path traversal vulnerability in Windows media loaders that accepts remote-host file URLs and UNC-style paths before local-path validation. Attackers can exploit this by providing network-hosted file targets that are treated as local content, bypassing intended access restrictions.","status":"published","published":"2026-04-01T16:23:50.567Z","modified":"2026-06-17T10:39:08.683Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/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","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-41"],"updated_at":"2026-11-02T14:12:12.73929Z"}],"osv":[{"id":"CVE-2026-34426","title":"OpenClaw - Approval Bypass via Environment Variable Normalization","description":"OpenClaw versions prior to commit b57b680 contain an approval bypass vulnerability due to inconsistent environment variable normalization between approval and execution paths, allowing attackers to inject attacker-controlled environment variables into execution without approval system validation. Attackers can exploit differing normalization logic to discard non-portable keys during approval processing while accepting them at execution time, bypassing operator review and potentially influencing runtime behavior including execution of attacker-controlled binaries.","status":"published","published":"2026-04-02T18:25:14.022Z","modified":"2026-11-09T02:49:12.565577713Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-184"],"updated_at":"2026-11-09T03:15:52.404586Z"},{"id":"CVE-2026-34510","title":"OpenClaw \u003c 2026.3.22 - Remote File URL Acceptance in Windows Media Loaders","description":"OpenClaw before 2026.3.22 contains a path traversal vulnerability in Windows media loaders that accepts remote-host file URLs and UNC-style paths before local-path validation. Attackers can exploit this by providing network-hosted file targets that are treated as local content, bypassing intended access restrictions.","status":"published","published":"2026-04-01T15:29:35.712Z","modified":"2026-11-11T10:31:02.1843419Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-41"],"updated_at":"2026-11-11T03:21:13.402158Z"},{"id":"GHSA-98ch-45wp-ch47","title":"OpenClaw: Windows-compatible env override keys could bypass system.run approval binding","description":"## Summary\n\nBefore OpenClaw 2026.4.2, system-run approval binding normalized environment override keys differently from host execution. Windows-compatible keys could be omitted from the approval binding while still being injected at execution time.\n\n## Impact\n\nAn approved command could run with attacker-chosen environment overrides that were not represented in the approval binding. This created an approval-integrity gap for affected host-exec flows.\n\n## Affected Packages / Versions\n\n- Package: `openclaw` (npm)\n- Affected versions: `\u003c= 2026.4.1`\n- Patched versions: `\u003e= 2026.4.2`\n- Latest published npm version: `2026.4.1`\n\n## Fix Commit(s)\n\n- `7eb094a00d80e9f6bf0e62f2c45d3b88ff67c04d` — align approval binding with execution-time env-key normalization\n\n## Release Process Note\n\nThe fix is present on `main` and is staged for OpenClaw `2026.4.2`. Publish this advisory after the `2026.4.2` npm release is live.\n\nThanks @iskindar for reporting, and thanks @wsparks-vc for coordination.","status":"published","published":"2026-04-07T18:15:48Z","modified":"2026-07-08T08:11:38.347216822Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-178"],"updated_at":"2026-11-02T15:46:43.524801Z"},{"id":"GHSA-h3x4-hc5v-v2gm","title":"OpenClaw: Windows media loaders accepted remote-host file URLs before local path validation","description":"## Summary\nWindows local-media handling accepted remote-host file URLs and UNC-style paths before local-path validation, so network-hosted file targets could be treated as local content.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Affected: \u003c 2026.3.22\n- Fixed: \u003e= 2026.3.22\n- Latest released tag checked: `v2026.3.23-2` (`630f1479c44f78484dfa21bb407cbe6f171dac87`)\n- Latest published npm version checked: `2026.3.23-2`\n\n## Fix Commit(s)\n- `4fd7feb0fd4ec16c48ed983980dba79a09b3aaf5`\n- `93880717f1cd34feaa45e74e939b7a5256288901`\n\n## Release Status\nThe fix shipped in `v2026.3.22` and remains present in `v2026.3.23` and `v2026.3.23-2`.\n\n## Code-Level Confirmation\n- src/infra/local-file-access.ts now rejects remote-host file: URLs and UNC/network paths as non-local input.\n- src/media/web-media.ts, src/media-understanding/attachments.normalize.ts, and src/agents/sandbox-paths.ts all route through the shared local-file guard.\n\nOpenClaw thanks @RacerZ-fighting, @Fushuling for reporting.","status":"published","published":"2026-03-26T19:07:55Z","modified":"2026-07-08T08:11:38.347216822Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-40"],"updated_at":"2026-11-02T15:46:48.546324Z"}]}}