{"id":"CVE-2026-32062","aliases":["EUVD-2026-11154","GHSA-mfg5-7q5g-f37j"],"status":"published","title":"OpenClaw 2026.2.21-2 \u003c 2026.2.22 - Unauthenticated WebSocket Resource Exhaustion via Media Stream","description":"OpenClaw versions 2026.2.21-2 up to, but not including, 2026.2.22, and @openclaw/voice-call versions 2026.2.21 up to, but not including, 2026.2.22 accept media-stream WebSocket upgrades before stream validation, allowing unauthenticated clients to establish connections. Remote attackers can hold idle pre-authenticated sockets open to consume connection resources and degrade service availability for legitimate streams.","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":"2026-11-09","score":0.00479,"percentile":0.41621,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400","CWE-770"],"published":"2026-03-02T22:39:43Z","modified":"2026-10-28T02:30:55Z","fixes":[{"ecosystem":"npm","package":"openclaw","fixed_in":["2026.2.22"],"sources":["ghsa","osv"]},{"ecosystem":"npm","package":"@openclaw/voice-call","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":"ghsa","ecosystem":"npm","package":"@openclaw/voice-call","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"}]}]},{"source":"osv","ecosystem":"npm","package":"@openclaw/voice-call","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.2.22"}]}]}],"products":[{"vendor":"openclaw","product":"openclaw"},{"vendor":"openclaw","product":"openclaw\\/voice-call"},{"vendor":"openclaw","product":"voice-call"}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-mfg5-7q5g-f37j","tags":["vendor-advisory","Mitigation","Vendor Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/1d8968c8a821ff1a05c294a1846b3bcb6f343794","tags":["patch","Patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/openclaw-unauthenticated-websocket-resource-exhaustion-via-media-stream","tags":["third-party-advisory","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32062","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-mfg5-7q5g-f37j"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32062.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-32062","title":"OpenClaw 2026.2.21-2 \u003c 2026.2.22 - Unauthenticated WebSocket Resource Exhaustion via Media Stream","description":"OpenClaw versions 2026.2.21-2 up to, but not including, 2026.2.22, and @openclaw/voice-call versions 2026.2.21 up to, but not including, 2026.2.22 accept media-stream WebSocket upgrades before stream validation, allowing unauthenticated clients to establish connections. Remote attackers can hold idle pre-authenticated sockets open to consume connection resources and degrade service availability for legitimate streams.","status":"published","published":"2026-03-11T13:32:35.845Z","modified":"2026-05-26T11:52:09.941Z","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-2026-11154","description":"OpenClaw versions 2026.2.21-2 up to, but not including, 2026.2.22, and @openclaw/voice-call versions 2026.2.21 up to, but not including, 2026.2.22 accept media-stream WebSocket upgrades before stream validation, allowing unauthenticated clients to establish connections. Remote attackers can hold idle pre-authenticated sockets open to consume connection resources and degrade service availability for legitimate streams.","status":"published","published":"2026-03-11T13:32:35Z","modified":"2026-05-26T11:52:09Z","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":"2026-11-02T18:21:07.775399Z"}],"ghsa":[{"id":"GHSA-mfg5-7q5g-f37j","title":"OpenClaw voice-call media stream validated streams after upgrade, which could allow pre-start unauthenticated sockets to increase resource pressure","description":"### Summary\n`@openclaw/voice-call` (and the bundled copy shipped in `openclaw`) accepted media-stream WebSocket upgrades before stream validation. In reachable deployments, unauthenticated pre-start sockets could be held open and increase resource pressure.\n\n### Affected Packages / Versions\n- `openclaw` (npm): vulnerable `\u003c= 2026.2.21-2`, patched in `2026.2.22`.\n- `@openclaw/voice-call` (npm): vulnerable `\u003c= 2026.2.21`, patched in `2026.2.22`.\n\n### Technical Details\nBefore this fix, the voice-call media-stream path upgraded sockets first and ran `shouldAcceptStream()` after a later `start` frame. This created a pre-auth window where remote clients could hold idle sockets without call/token validation.\n\n### Impact\nAvailability risk in deployments where the media-stream endpoint is reachable and streaming is enabled. Under sustained abuse, this could consume connection-related resources and degrade service for legitimate streams.\n\n### Remediation\nThe fix adds layered controls in the media-stream path:\n- strict pre-start timeout (close sockets that do not send a valid `start` frame quickly)\n- global pending-connection cap\n- per-IP pending-connection cap\n- total open media-stream connection cap\n- safer upgrade-path parsing in the webhook server\n\n### Fix Commit(s)\n- `1d8968c8a821ff1a05c294a1846b3bcb6f343794`\n\n### Release Process Note\n`patched_versions` is pre-set to `2026.2.22` so this advisory is ready to publish once npm `openclaw@2026.2.22` and `@openclaw/voice-call@2026.2.22` are released.\n\nOpenClaw thanks @jiseoung for reporting.","status":"published","published":"2026-03-02T22:39:43Z","modified":"2026-06-08T23:23:31Z","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"},{"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"}],"cwes":["CWE-400","CWE-770"],"updated_at":"2026-11-02T14:40:20.187636Z"}],"nvd":[{"id":"CVE-2026-32062","description":"OpenClaw versions 2026.2.21-2 up to, but not including, 2026.2.22, and @openclaw/voice-call versions 2026.2.21 up to, but not including, 2026.2.22 accept media-stream WebSocket upgrades before stream validation, allowing unauthenticated clients to establish connections. Remote attackers can hold idle pre-authenticated sockets open to consume connection resources and degrade service availability for legitimate streams.","status":"published","published":"2026-03-11T14:16:28.34Z","modified":"2026-06-17T10:35:02.54Z","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":"2026-11-02T14:12:08.98071Z"}],"osv":[{"id":"CVE-2026-32062","title":"OpenClaw 2026.2.21-2 \u003c 2026.2.22 - Unauthenticated WebSocket Resource Exhaustion via Media Stream","description":"OpenClaw versions 2026.2.21-2 up to, but not including, 2026.2.22, and @openclaw/voice-call versions 2026.2.21 up to, but not including, 2026.2.22 accept media-stream WebSocket upgrades before stream validation, allowing unauthenticated clients to establish connections. Remote attackers can hold idle pre-authenticated sockets open to consume connection resources and degrade service availability for legitimate streams.","status":"published","published":"2026-03-11T13:32:35.845Z","modified":"2026-10-28T02:30:55.069118155Z","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-mfg5-7q5g-f37j","title":"OpenClaw voice-call media stream validated streams after upgrade, which could allow pre-start unauthenticated sockets to increase resource pressure","description":"### Summary\n`@openclaw/voice-call` (and the bundled copy shipped in `openclaw`) accepted media-stream WebSocket upgrades before stream validation. In reachable deployments, unauthenticated pre-start sockets could be held open and increase resource pressure.\n\n### Affected Packages / Versions\n- `openclaw` (npm): vulnerable `\u003c= 2026.2.21-2`, patched in `2026.2.22`.\n- `@openclaw/voice-call` (npm): vulnerable `\u003c= 2026.2.21`, patched in `2026.2.22`.\n\n### Technical Details\nBefore this fix, the voice-call media-stream path upgraded sockets first and ran `shouldAcceptStream()` after a later `start` frame. This created a pre-auth window where remote clients could hold idle sockets without call/token validation.\n\n### Impact\nAvailability risk in deployments where the media-stream endpoint is reachable and streaming is enabled. Under sustained abuse, this could consume connection-related resources and degrade service for legitimate streams.\n\n### Remediation\nThe fix adds layered controls in the media-stream path:\n- strict pre-start timeout (close sockets that do not send a valid `start` frame quickly)\n- global pending-connection cap\n- per-IP pending-connection cap\n- total open media-stream connection cap\n- safer upgrade-path parsing in the webhook server\n\n### Fix Commit(s)\n- `1d8968c8a821ff1a05c294a1846b3bcb6f343794`\n\n### Release Process Note\n`patched_versions` is pre-set to `2026.2.22` so this advisory is ready to publish once npm `openclaw@2026.2.22` and `@openclaw/voice-call@2026.2.22` are released.\n\nOpenClaw thanks @jiseoung for reporting.","status":"published","published":"2026-03-02T22:39:43Z","modified":"2026-09-10T03:50:39.97485495Z","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","level":"high"}],"cwes":["CWE-400","CWE-770"],"updated_at":"2026-11-02T15:46:51.811331Z"}]}}