{"id":"CVE-2026-32019","aliases":["EUVD-2026-13286","GHSA-4rqq-w8v4-7p47"],"status":"published","title":"OpenClaw \u003c 2026.2.22 - Incomplete IPv4 Special-Use Range Blocking in SSRF Guard","description":"OpenClaw versions prior to 2026.2.22 contain incomplete IPv4 special-use range validation in the isPrivateIpv4() function, allowing requests to RFC-reserved ranges to bypass SSRF policy checks. Attackers with network reachability to special-use IPv4 ranges can exploit web_fetch functionality to access blocked addresses such as 198.18.0.0/15 and other non-global ranges.","severity":{"version":"4.0","score":2.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:L/SA:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00219,"percentile":0.12538,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-918"],"published":"2026-03-04T19:03:45Z","modified":"2026-11-11T10:30:58Z","fixes":[{"ecosystem":"npm","package":"openclaw","fixed_in":["2026.2.22"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"openclaw","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2026.2.22"}]}]},{"source":"osv","ecosystem":"npm","package":"openclaw","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.2.22"}]}]}],"products":[{"vendor":"openclaw","product":"openclaw"}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-4rqq-w8v4-7p47","tags":["vendor-advisory","Vendor Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/71bd15bb4294d3d1b54386064d69cd0f5f731bd8","tags":["patch","Patch","fix","web"]},{"url":"https://github.com/openclaw/openclaw/commit/44dfbd23df453e51b71ef79a148c28c53e89168c","tags":["patch","Patch","fix","web"]},{"url":"https://github.com/openclaw/openclaw/commit/333fbb86347998526dd514290adfd5f727caa6d9","tags":["patch","Patch","fix","web"]},{"url":"https://github.com/openclaw/openclaw/commit/f14ebd743cfc73f667fae80af70043d0ab1f88bd","tags":["patch","Patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/openclaw-incomplete-ipv4-special-use-range-blocking-in-ssrf-guard","tags":["third-party-advisory","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32019","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4rqq-w8v4-7p47"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32019.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-32019","title":"OpenClaw \u003c 2026.2.22 - Incomplete IPv4 Special-Use Range Blocking in SSRF Guard","description":"OpenClaw versions prior to 2026.2.22 contain incomplete IPv4 special-use range validation in the isPrivateIpv4() function, allowing requests to RFC-reserved ranges to bypass SSRF policy checks. Attackers with network reachability to special-use IPv4 ranges can exploit web_fetch functionality to access blocked addresses such as 198.18.0.0/15 and other non-global ranges.","status":"published","published":"2026-03-19T22:06:56.4Z","modified":"2026-06-23T16:14:39.361Z","cvss":[{"version":"4.0","score":2.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:L/SA:L","level":"low","assessor":"cna"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:19:57.47301Z"}],"euvd":[{"id":"EUVD-2026-13286","description":"OpenClaw versions prior to 2026.2.22 contain incomplete IPv4 special-use range validation in the isPrivateIpv4() function, allowing requests to RFC-reserved ranges to bypass SSRF policy checks. Attackers with network reachability to special-use IPv4 ranges can exploit web_fetch functionality to access blocked addresses such as 198.18.0.0/15 and other non-global ranges.","status":"published","published":"2026-03-19T22:06:56Z","modified":"2026-06-23T16:14:39Z","cvss":[{"version":"4.0","score":2.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:L/SA:L","level":"low"}],"updated_at":"2026-11-02T18:20:32.273921Z"}],"ghsa":[{"id":"GHSA-4rqq-w8v4-7p47","title":"OpenClaw has incomplete IPv4 special-use SSRF blocking in web fetch guard","description":"### Summary\n`isPrivateIpv4()` in bundled SSRF guard code missed several IPv4 special-use/non-global ranges, so `web_fetch` could allow targets that should be blocked by SSRF policy.\n\n### Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Latest published affected version: `2026.2.21-2` (published 2026-02-21)\n- Structured vulnerable range: `\u003c= 2026.2.21-2`\n- Planned patched version (pre-set): `\u003e= 2026.2.22`\n\n### Impact\nLow severity. Exploitation requires network reachability to the relevant special-use ranges and a request path that reaches `web_fetch` URL fetching.\n\n### Technical Details\nAffected releases used narrow IPv4 private-range checks that omitted multiple RFC special-use/non-global ranges. This allowed requests such as `http://198.18.0.1/...` through SSRF validation in affected releases. Follow-up hardening consolidates local-host/tailnet range checks so gateway/browser/tailnet paths share one canonical IP classification flow.\n\n### Fix Commit(s)\n- `71bd15bb4294d3d1b54386064d69cd0f5f731bd8`\n- `44dfbd23df453e51b71ef79a148c28c53e89168c`\n- `333fbb86347998526dd514290adfd5f727caa6d9`\n- `f14ebd743cfc73f667fae80af70043d0ab1f88bd`\n\nOpenClaw thanks @princeeismond-dot for reporting.","status":"published","published":"2026-03-04T19:03:45Z","modified":"2026-04-24T20:59:08Z","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"},{"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-918"],"updated_at":"2026-11-02T14:39:57.650091Z"}],"nvd":[{"id":"CVE-2026-32019","description":"OpenClaw versions prior to 2026.2.22 contain incomplete IPv4 special-use range validation in the isPrivateIpv4() function, allowing requests to RFC-reserved ranges to bypass SSRF policy checks. Attackers with network reachability to special-use IPv4 ranges can exploit web_fetch functionality to access blocked addresses such as 198.18.0.0/15 and other non-global ranges.","status":"published","published":"2026-03-19T22:16:35.68Z","modified":"2026-06-17T10:34:57.097Z","cvss":[{"version":"4.0","score":2.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:L/SA:L/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":"low","assessor":"secondary"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L","level":"high","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":"primary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:12:09.735529Z"}],"osv":[{"id":"CVE-2026-32019","title":"OpenClaw \u003c 2026.2.22 - Incomplete IPv4 Special-Use Range Blocking in SSRF Guard","description":"OpenClaw versions prior to 2026.2.22 contain incomplete IPv4 special-use range validation in the isPrivateIpv4() function, allowing requests to RFC-reserved ranges to bypass SSRF policy checks. Attackers with network reachability to special-use IPv4 ranges can exploit web_fetch functionality to access blocked addresses such as 198.18.0.0/15 and other non-global ranges.","status":"published","published":"2026-03-19T22:06:56.4Z","modified":"2026-11-11T10:30:58.283267529Z","cvss":[{"version":"4.0","score":2.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:L/SA:L","level":"low"}],"cwes":["CWE-918"],"updated_at":"2026-11-11T11:06:43.834798Z"},{"id":"GHSA-4rqq-w8v4-7p47","title":"OpenClaw has incomplete IPv4 special-use SSRF blocking in web fetch guard","description":"### Summary\n`isPrivateIpv4()` in bundled SSRF guard code missed several IPv4 special-use/non-global ranges, so `web_fetch` could allow targets that should be blocked by SSRF policy.\n\n### Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Latest published affected version: `2026.2.21-2` (published 2026-02-21)\n- Structured vulnerable range: `\u003c= 2026.2.21-2`\n- Planned patched version (pre-set): `\u003e= 2026.2.22`\n\n### Impact\nLow severity. Exploitation requires network reachability to the relevant special-use ranges and a request path that reaches `web_fetch` URL fetching.\n\n### Technical Details\nAffected releases used narrow IPv4 private-range checks that omitted multiple RFC special-use/non-global ranges. This allowed requests such as `http://198.18.0.1/...` through SSRF validation in affected releases. Follow-up hardening consolidates local-host/tailnet range checks so gateway/browser/tailnet paths share one canonical IP classification flow.\n\n### Fix Commit(s)\n- `71bd15bb4294d3d1b54386064d69cd0f5f731bd8`\n- `44dfbd23df453e51b71ef79a148c28c53e89168c`\n- `333fbb86347998526dd514290adfd5f727caa6d9`\n- `f14ebd743cfc73f667fae80af70043d0ab1f88bd`\n\nOpenClaw thanks @princeeismond-dot for reporting.","status":"published","published":"2026-03-04T19:03:45Z","modified":"2026-05-05T15:56:08.344024Z","cvss":[{"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"},{"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-918"],"updated_at":"2026-11-02T15:46:37.528068Z"}]}}