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This vulnerability allows an attacker to escape sandboxed applications, such as Flatpak, by exploiting PipeWire's PulseAudio compatibility layer. An attacker with minimal permissions within a sandboxed environment can load a malicious library, leading to arbitrary code execution outside the sandbox and potential compromise of the user's system."}], "id": "CVE-2026-5674", "lastModified": "2026-08-31T20:17:06.923", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.0, "impactScore": 6.0, "source": "[email protected]", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-5674", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-16T14:02:49.819208Z", "version": "2.0.3"}}]}, "published": "2026-07-16T14:16:56.070", "references": [{"source": "[email protected]", "url": "https://access.redhat.com/errata/RHSA-2026:47082"}, {"source": "[email protected]", "url": "https://access.redhat.com/errata/RHSA-2026:47083"}, {"source": "[email protected]", "url": "https://access.redhat.com/errata/RHSA-2026:51064"}, {"source": "[email protected]", "url": "https://access.redhat.com/errata/RHSA-2026:56028"}, {"source": "[email protected]", "url": "https://access.redhat.com/errata/RHSA-2026:56029"}, {"source": "[email protected]", "url": "https://access.redhat.com/errata/RHSA-2026:61768"}, {"source": "[email protected]", "url": "https://access.redhat.com/security/cve/CVE-2026-5674"}, {"source": "[email protected]", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2455341"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-427"}], "source": "[email protected]", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank Johann Rehberger (embracethered.com) for reporting this issue.", "bugzilla": {"description": "pipewire: PipeWire: Sandbox escape and arbitrary code execution via malicious library loading", "id": "2455341", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2455341"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-427", "details": ["A flaw was found in PipeWire, a multimedia server. This vulnerability allows an attacker to escape sandboxed applications, such as Flatpak, by exploiting PipeWire's PulseAudio compatibility layer. An attacker with minimal permissions within a sandboxed environment can load a malicious library, leading to arbitrary code execution outside the sandbox and potential compromise of the user's system."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, restrict containerized applications from accessing the PulseAudio socket or writing to host-visible paths. Additionally, configure PipeWire to prevent module loading by setting `pulse.allow-module-loading = false` in the PipeWire PulseAudio configuration. Alternatively, restrict the `dlopen()` paths for `module-ladspa-sink` to trusted system directories like `/usr/lib/ladspa/` and `/usr/lib64/ladspa/`. Applying these changes may require restarting the PipeWire service to take effect, which could impact audio functionality."}, "name": "CVE-2026-5674", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "libkrun", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "pipewire", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "pipewire", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "pipewire0.2", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "pipewire", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-07-04T23:59:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-5674\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-5674"], "statement": "Important: This flaw in PipeWire allows for a sandbox escape, enabling arbitrary code execution outside of sandboxed environments, such as Flatpak applications, when minimal permissions are granted. Red Hat products utilizing PipeWire's PulseAudio compatibility layer are susceptible, as an attacker can load a malicious library from within a sandboxed process, bypassing isolation mechanisms.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": null}], "product": "pipewire", "vendor": "pipewire"}, {"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Red Hat Enterprise Linux 10", "source": "cna", "vendor": "Red Hat"}, "product": "enterprise_linux", "vendor": "redhat"}], "created": "2026-07-17T04:00:06.756157+00:00", "updated": "2026-08-05T10:22:48.050003+00:00", "vendors": ["pipewire", "pipewire$PRODUCT$pipewire", "redhat", "redhat$PRODUCT$enterprise_linux"]}