{"id":"CVE-2026-28452","aliases":["EUVD-2026-9901","GHSA-h89v-j3x9-8wqj"],"status":"published","title":"OpenClaw \u003c 2026.2.14 - Denial of Service via Unguarded Archive Extraction in extractArchive","description":"OpenClaw versions prior to 2026.2.14 contain a denial of service vulnerability in the extractArchive function within src/infra/archive.ts that allows attackers to consume excessive CPU, memory, and disk resources through high-expansion ZIP and TAR archives. Remote attackers can trigger resource exhaustion by providing maliciously crafted archive files during install or update operations, causing service degradation or system unavailability.","severity":{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0038,"percentile":0.32304,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400","CWE-770"],"published":"2026-02-18T00:52:54Z","modified":"2026-10-28T02:30:45Z","fixes":[{"ecosystem":"npm","package":"openclaw","fixed_in":["2026.2.14"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"openclaw","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2026.2.14"}]}]},{"source":"ghsa","ecosystem":"npm","package":"clawdbot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2026.1.24-3"}]}]},{"source":"osv","ecosystem":"npm","package":"openclaw","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.2.14"}]}]},{"source":"osv","ecosystem":"npm","package":"clawdbot","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"2026.1.24-3"}]}]}],"products":[{"vendor":"openclaw","product":"openclaw"}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-h89v-j3x9-8wqj","tags":["vendor-advisory","Patch","Vendor Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/d3ee5deb87ee2ad0ab83c92c365611165423cb71","tags":["patch","Patch","fix","web"]},{"url":"https://github.com/openclaw/openclaw/commit/5f4b29145c236d124524c2c9af0f8acd048fbdea","tags":["patch","Patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/openclaw-denial-of-service-via-unguarded-archive-extraction-in-extractarchive","tags":["third-party-advisory","Third Party Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/releases/tag/v2026.2.14","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28452","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-h89v-j3x9-8wqj"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28452.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-28452","title":"OpenClaw \u003c 2026.2.14 - Denial of Service via Unguarded Archive Extraction in extractArchive","description":"OpenClaw versions prior to 2026.2.14 contain a denial of service vulnerability in the extractArchive function within src/infra/archive.ts that allows attackers to consume excessive CPU, memory, and disk resources through high-expansion ZIP and TAR archives. Remote attackers can trigger resource exhaustion by providing maliciously crafted archive files during install or update operations, causing service degradation or system unavailability.","status":"published","published":"2026-03-05T21:59:29.679Z","modified":"2026-03-09T16:55:24.088Z","cvss":[{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:20:02.290587Z"}],"euvd":[{"id":"EUVD-2026-9901","description":"OpenClaw versions prior to 2026.2.14 contain a denial of service vulnerability in the extractArchive function within src/infra/archive.ts that allows attackers to consume excessive CPU, memory, and disk resources through high-expansion ZIP and TAR archives. Remote attackers can trigger resource exhaustion by providing maliciously crafted archive files during install or update operations, causing service degradation or system unavailability.","status":"published","published":"2026-03-05T21:59:29Z","modified":"2026-03-09T16:55:24Z","cvss":[{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:48:07.128863Z"}],"ghsa":[{"id":"GHSA-h89v-j3x9-8wqj","title":"OpenClaw affected by denial of service through unguarded archive extraction allowing high expansion/resource abuse (ZIP/TAR)","description":"## Summary\nArchive extraction lacked strict resource budgets, allowing high-expansion ZIP/TAR archives to consume excessive CPU/memory/disk during install/update flows.\n\n## Affected Packages / Versions\n- openclaw (npm): \u003c= 2026.2.13\n- clawdbot (npm): \u003c= 2026.1.24-3\n\n## Details\nAffected component: `src/infra/archive.ts` (`extractArchive`).\n\nThe extractor now enforces resource budgets (entry count and extracted byte limits; ZIP also enforces a compressed archive size limit) and rejects over-budget archives.\n\n## Fix Commit(s)\n- openclaw/openclaw@d3ee5deb87ee2ad0ab83c92c365611165423cb71\n- openclaw/openclaw@5f4b29145c236d124524c2c9af0f8acd048fbdea\n\n## Release Process Note\nThis advisory will be updated with patched versions once the next npm release containing the fix is published.\n\n## Credits\nThanks @vincentkoc for reporting.","status":"published","published":"2026-02-18T00:52:54Z","modified":"2026-03-06T00:58:54Z","cvss":[{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/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":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-400","CWE-770"],"updated_at":"2026-11-02T14:39:31.060223Z"}],"nvd":[{"id":"CVE-2026-28452","description":"OpenClaw versions prior to 2026.2.14 contain a denial of service vulnerability in the extractArchive function within src/infra/archive.ts that allows attackers to consume excessive CPU, memory, and disk resources through high-expansion ZIP and TAR archives. Remote attackers can trigger resource exhaustion by providing maliciously crafted archive files during install or update operations, causing service degradation or system unavailability.","status":"published","published":"2026-03-05T22:16:17.41Z","modified":"2026-06-17T10:28:40.03Z","cvss":[{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/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":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:12:07.852448Z"}],"osv":[{"id":"CVE-2026-28452","title":"OpenClaw \u003c 2026.2.14 - Denial of Service via Unguarded Archive Extraction in extractArchive","description":"OpenClaw versions prior to 2026.2.14 contain a denial of service vulnerability in the extractArchive function within src/infra/archive.ts that allows attackers to consume excessive CPU, memory, and disk resources through high-expansion ZIP and TAR archives. Remote attackers can trigger resource exhaustion by providing maliciously crafted archive files during install or update operations, causing service degradation or system unavailability.","status":"published","published":"2026-03-05T21:59:29.679Z","modified":"2026-10-28T02:30:45.793577572Z","cvss":[{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:45:00.530889Z"},{"id":"GHSA-h89v-j3x9-8wqj","title":"OpenClaw affected by denial of service through unguarded archive extraction allowing high expansion/resource abuse (ZIP/TAR)","description":"## Summary\nArchive extraction lacked strict resource budgets, allowing high-expansion ZIP/TAR archives to consume excessive CPU/memory/disk during install/update flows.\n\n## Affected Packages / Versions\n- openclaw (npm): \u003c= 2026.2.13\n- clawdbot (npm): \u003c= 2026.1.24-3\n\n## Details\nAffected component: `src/infra/archive.ts` (`extractArchive`).\n\nThe extractor now enforces resource budgets (entry count and extracted byte limits; ZIP also enforces a compressed archive size limit) and rejects over-budget archives.\n\n## Fix Commit(s)\n- openclaw/openclaw@d3ee5deb87ee2ad0ab83c92c365611165423cb71\n- openclaw/openclaw@5f4b29145c236d124524c2c9af0f8acd048fbdea\n\n## Release Process Note\nThis advisory will be updated with patched versions once the next npm release containing the fix is published.\n\n## Credits\nThanks @vincentkoc for reporting.","status":"published","published":"2026-02-18T00:52:54Z","modified":"2026-03-06T01:02:59.380295Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"},{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/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"}],"cwes":["CWE-400","CWE-770"],"updated_at":"2026-11-02T15:46:48.920784Z"}]}}