{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-58066", "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "state": "PUBLISHED", "assignerShortName": "hackerone", "dateReserved": "2026-06-28T15:00:00.719Z", "datePublished": "2026-07-30T06:03:45.178Z", "dateUpdated": "2026-07-30T12:54:16.351Z"}, "containers": {"cna": {"descriptions": [{"lang": "en", "value": "Rocket.Chat's SAML SSO before versions 8.7.0, 8.6.1, 8.5.2, 8.4.5, 8.3.7, 8.2.7, 8.1.7, 8.0.8, and 7.10.14 verified XML signatures but did not bind the validated signature to samlp:Response / saml:Assertion. An attacker could submit a wrapped document carrying forged identity attributes alongside any valid signature made by the trusted IdP certificate, and log in as an arbitrary user."}], "affected": [{"defaultStatus": "unaffected", "vendor": "Rocket.Chat", "product": "Rocket.Chat", "versions": [{"version": "0", "status": "affected", "lessThan": "8.7.0", "versionType": "semver"}, {"version": "0", "status": "affected", "lessThan": "8.6.1", "versionType": "semver"}, {"version": "0", "status": "affected", "lessThan": "8.5.2", "versionType": "semver"}, {"version": "0", "status": "affected", "lessThan": "8.4.5", "versionType": "semver"}, {"version": "0", "status": "affected", "lessThan": "8.3.7", "versionType": "semver"}, {"version": "0", "status": "affected", "lessThan": "8.2.7", "versionType": "semver"}, {"version": "0", "status": "affected", "lessThan": "8.1.7", "versionType": "semver"}, {"version": "0", "status": "affected", "lessThan": "8.0.8", "versionType": "semver"}, {"version": "0", "status": "affected", "lessThan": "7.10.14", "versionType": "semver"}]}], "references": [{"url": "https://hackerone.com/reports/3827674"}, {"url": "https://github.com/RocketChat/Rocket.Chat/pull/41233"}], "metrics": [{"cvssV3_0": {"version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "cweId": "CWE-287", "description": "CWE-287 Improper Authentication - Generic"}]}], "credits": [{"lang": "en", "value": "jayden (0jayden)", "type": "finder"}], "providerMetadata": {"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone", "dateUpdated": "2026-07-30T06:03:45.178Z"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-30T12:54:07.222939Z", "id": "CVE-2026-58066", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-30T12:54:16.351Z"}}]}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,8.7.0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,8.6.1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,8.5.2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,8.4.5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,8.3.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,8.2.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,8.1.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,8.0.8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,7.10.14)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Rocket.Chat", "source": "cna", "vendor": "Rocket.Chat"}, "product": "rocket.chat", "vendor": "rocket.chat"}], "created": "2026-07-30T09:15:04.279114+00:00", "updated": "2026-07-30T09:15:04.279137+00:00", "vendors": ["rocket.chat", "rocket.chat$PRODUCT$rocket.chat"]}