{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-6948", "assignerOrgId": "9974b330-7714-4307-a722-5648477acda7", "state": "PUBLISHED", "assignerShortName": "rapid7", "dateReserved": "2026-04-24T03:35:48.568Z", "datePublished": "2026-05-03T23:55:40.555Z", "dateUpdated": "2026-06-19T12:45:13.562Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "9974b330-7714-4307-a722-5648477acda7", "shortName": "rapid7", "dateUpdated": "2026-06-19T12:45:13.562Z" }, "title": "Unbounded Memory Allocation in VQLResponse Result-Set Writer", "datePublic": "2026-04-27T14:00:00.000Z", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-770", "description": "CWE-770 Allocation of resources without limits or throttling", "type": "CWE" } ] } ], "impacts": [ { "capecId": "CAPEC-130", "descriptions": [ { "lang": "en", "value": "CAPEC-130 Excessive Allocation" } ] } ], "affected": [ { "vendor": "Rapid7", "product": "Velociraptor", "platforms": [ "Linux" ], "repo": "https://github.com/Velocidex/velociraptor", "versions": [ { "status": "affected", "version": "0", "lessThan": "0.76.4", "versionType": "custom" }, { "status": "affected", "version": "0", "lessThan": "0.75.9", "versionType": "custom" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "lang": "en", "value": "Velociraptor versions prior to 0.76.4 contain a resource exhaustion vulnerability in the server's agent control channel.\n\n\n\nThis allows a compromised or rogue Velociraptor client to crash the server via out-of-memory (OOM) by sending crafted messages through the normal client communication channel.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "

Velociraptor versions prior to 0.76.4 contain a resource exhaustion vulnerability in the server's agent control channel.

This allows a compromised or rogue Velociraptor client to crash the server via out-of-memory (OOM) by sending crafted messages through the normal client communication channel.

" } ] } ], "references": [ { "url": "https://docs.velociraptor.app/announcements/advisories/cve-2026-6948/" } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "MEDIUM", "baseScore": 4.9, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H" } } ], "solutions": [ { "lang": "en", "value": "To remediate, you will need to  upgrade your server https://www.velociraptor-docs.org/docs/deployment/server/upgrades/#upgrading-a-server-in-place-upgrade  to the latest version of your release:\n\n * For 0.76 releases, upgrade immediately to  v0.76.4 https://github.com/Velocidex/velociraptor/releases/download/v0.76/velociraptor-v0.76.4-linux-amd64 \n * For 0.75 releases, upgrade immediately to  v0.75.9 https://github.com/Velocidex/velociraptor/releases/download/v0.75/velociraptor-v0.75.9-linux-amd64", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "

To remediate, you will need to upgrade your server to the latest version of your release:

" } ] } ], "timeline": [ { "time": "2026-04-19T14:00:00.000Z", "lang": "en", "value": "Initial report by Faisal Alhumaid" }, { "time": "2026-04-19T14:00:00.000Z", "lang": "en", "value": "Initial report by Mika Jarvinen" }, { "time": "2026-04-27T23:50:00.000Z", "lang": "en", "value": "Advisory published and patch distributed" } ], "credits": [ { "lang": "en", "value": "We thank Faisal Alhumaid (Faisal.alhumaid@hotmail.com) for reporting this issue responsibly.", "type": "finder" }, { "lang": "en", "value": "We also thank Mika Jarvinen (mika.jarvinen@kapsi.fi) for reporting this issue responsibly at the same time.", "type": "finder" }, { "lang": "en", "value": "We also thank HE WEI（ギカク）(https://www.linkedin.com/in/gikaku/) for identifying and reporting an additional vulnerable code path related to this issue.", "type": "finder" } ], "source": { "advisory": "https://www.velociraptor-docs.org/announcements/advisories/cve-2", "discovery": "UNKNOWN" }, "x_generator": { "engine": "Vulnogram 1.0.2" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-05-04T13:08:05.344047Z", "id": "CVE-2026-6948", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-04T13:08:18.314Z" } } ] } }