{"id":"CVE-2026-32049","aliases":["EUVD-2026-13945","GHSA-rxxp-482v-7mrh","GHSA-xq3g-m3j8-2vmm"],"status":"published","title":"OpenClaw \u003c 2026.2.22 - Denial of Service via Inbound Media Download Byte Limit Bypass","description":"OpenClaw versions prior to 2026.2.22 fail to consistently enforce configured inbound media byte limits before buffering remote media across multiple channel ingestion paths. Remote attackers can send oversized media payloads to trigger elevated memory usage and potential process instability.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00565,"percentile":0.47367,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400","CWE-770"],"published":"2026-03-02T22:32:55Z","modified":"2026-10-28T02:30:54Z","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-rxxp-482v-7mrh","tags":["vendor-advisory","Vendor Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/73d93dee64127a26f1acd09d0403b794cdeb4f5c","tags":["patch","Patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/openclaw-denial-of-service-via-inbound-media-download-byte-limit-bypass","tags":["third-party-advisory","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32049","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-rxxp-482v-7mrh"},{"url":"https://github.com/advisories/GHSA-xq3g-m3j8-2vmm"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32049.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-32049","title":"OpenClaw \u003c 2026.2.22 - Denial of Service via Inbound Media Download Byte Limit Bypass","description":"OpenClaw versions prior to 2026.2.22 fail to consistently enforce configured inbound media byte limits before buffering remote media across multiple channel ingestion paths. Remote attackers can send oversized media payloads to trigger elevated memory usage and potential process instability.","status":"published","published":"2026-03-21T00:42:21.905Z","modified":"2026-06-23T16:14:59.268Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:19:57.47301Z"}],"euvd":[{"id":"EUVD-2026-13945","description":"OpenClaw versions prior to 2026.2.22 fail to consistently enforce configured inbound media byte limits before buffering remote media across multiple channel ingestion paths. Remote attackers can send oversized media payloads to trigger elevated memory usage and potential process instability.","status":"published","published":"2026-03-21T00:42:21Z","modified":"2026-06-23T16:14:59Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:20:32.273921Z"}],"ghsa":[{"id":"GHSA-rxxp-482v-7mrh","title":"OpenClaw's inbound media downloads could exceed configured byte limits before rejection across multiple channels","description":"## Summary\nOpenClaw did not consistently enforce configured inbound media byte limits before buffering remote media in several channel ingestion paths. A remote sender could trigger oversized downloads and memory pressure before rejection.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Affected versions: `\u003c= 2026.2.21-2` (latest published at triage time)\n- Fixed in: `2026.2.22` (planned next release)\n\n## Impact\nAn attacker could cause elevated memory usage and potential process instability (denial of service) by sending oversized media payloads.\n\n## Fix Commit(s)\n- `73d93dee64127a26f1acd09d0403b794cdeb4f5c`\n\n## Release Process Note\n`patched_versions` is pre-set to the planned next release (`2026.2.22`). After that npm release is published, this advisory can be published without further version-field edits.\n\nOpenClaw thanks @tdjackey for reporting.","status":"published","published":"2026-03-02T22:32:55Z","modified":"2026-03-30T13:35:40Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-400","CWE-770"],"updated_at":"2026-11-02T14:39:46.119458Z"},{"id":"GHSA-xq3g-m3j8-2vmm","title":"Duplicate Advisory: OpenClaw's inbound media downloads could exceed configured byte limits before rejection across multiple channels","description":"## Duplicate Advisory\n\nThis advisory has been withdrawn because it is a duplicate of GHSA-rxxp-482v-7mrh. This link is maintained to preserve external references.\n\n## Original Description\nOpenClaw versions prior to 2026.2.22 fail to consistently enforce configured inbound media byte limits before buffering remote media across multiple channel ingestion paths. Remote attackers can send oversized media payloads to trigger elevated memory usage and potential process instability.","status":"withdrawn","published":"2026-03-21T03:31:13Z","modified":"2026-03-24T19:04:56Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/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":"high"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:39:41.724707Z"}],"nvd":[{"id":"CVE-2026-32049","description":"OpenClaw versions prior to 2026.2.22 fail to consistently enforce configured inbound media byte limits before buffering remote media across multiple channel ingestion paths. Remote attackers can send oversized media payloads to trigger elevated memory usage and potential process instability.","status":"published","published":"2026-03-21T01:17:07.7Z","modified":"2026-06-17T10:35:00.897Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/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":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:12:10.126802Z"}],"osv":[{"id":"CVE-2026-32049","title":"OpenClaw \u003c 2026.2.22 - Denial of Service via Inbound Media Download Byte Limit Bypass","description":"OpenClaw versions prior to 2026.2.22 fail to consistently enforce configured inbound media byte limits before buffering remote media across multiple channel ingestion paths. Remote attackers can send oversized media payloads to trigger elevated memory usage and potential process instability.","status":"published","published":"2026-03-21T00:42:21.905Z","modified":"2026-10-28T02:30:54.26290321Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:45:01.218144Z"},{"id":"GHSA-rxxp-482v-7mrh","title":"OpenClaw's inbound media downloads could exceed configured byte limits before rejection across multiple channels","description":"## Summary\nOpenClaw did not consistently enforce configured inbound media byte limits before buffering remote media in several channel ingestion paths. A remote sender could trigger oversized downloads and memory pressure before rejection.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Affected versions: `\u003c= 2026.2.21-2` (latest published at triage time)\n- Fixed in: `2026.2.22` (planned next release)\n\n## Impact\nAn attacker could cause elevated memory usage and potential process instability (denial of service) by sending oversized media payloads.\n\n## Fix Commit(s)\n- `73d93dee64127a26f1acd09d0403b794cdeb4f5c`\n\n## Release Process Note\n`patched_versions` is pre-set to the planned next release (`2026.2.22`). After that npm release is published, this advisory can be published without further version-field edits.\n\nOpenClaw thanks @tdjackey for reporting.","status":"published","published":"2026-03-02T22:32:55Z","modified":"2026-03-30T13:56:22.307942Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-400","CWE-770"],"updated_at":"2026-11-02T15:46:56.639206Z"},{"id":"GHSA-xq3g-m3j8-2vmm","title":"Duplicate Advisory: OpenClaw's inbound media downloads could exceed configured byte limits before rejection across multiple channels","description":"## Duplicate Advisory\n\nThis advisory has been withdrawn because it is a duplicate of GHSA-rxxp-482v-7mrh. This link is maintained to preserve external references.\n\n## Original Description\nOpenClaw versions prior to 2026.2.22 fail to consistently enforce configured inbound media byte limits before buffering remote media across multiple channel ingestion paths. Remote attackers can send oversized media payloads to trigger elevated memory usage and potential process instability.","status":"withdrawn","published":"2026-03-21T03:31:13Z","modified":"2026-03-24T19:16:43.221501Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/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":"high"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:47:00.198893Z"}]}}