CVE-2026-45266

{"id": "CVE-2026-45266", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.5, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.1}]}, "published": "2026-06-01T17:17:09.827", "references": [{"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-x75r-65hm-cw35", "source": "security-advisories@github.com"}, {"url": "https://github.com/nextcloud/spreed/pull/17577", "source": "security-advisories@github.com"}, {"url": "https://hackerone.com/reports/3636758", "source": "security-advisories@github.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-284"}]}], "descriptions": [{"lang": "en", "value": "Nextcloud is an open source content collaboration platform. Prior to versions 21.1.10, 22.0.11, and 23.0.3, a low-privileged user can force other user's microphones to be muted in calls when no High-performance Backend is installed. This issue has been patched in versions 21.1.10, 22.0.11, and 23.0.3."}], "lastModified": "2026-06-01T18:14:29.087", "sourceIdentifier": "security-advisories@github.com"}