CVE-2026-5674
This vulnerability allows an attacker to escape sandboxed applications, such as Flatpak, by exploiting PipeWire's PulseAudio compatibility layer.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 0.21% probability · 11th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-427
- Source
- secalert@redhat.com
References
- https://access.redhat.com/errata/RHSA-2026:47082
- https://access.redhat.com/errata/RHSA-2026:47083
- https://access.redhat.com/errata/RHSA-2026:51064
- https://access.redhat.com/errata/RHSA-2026:56028
- https://access.redhat.com/errata/RHSA-2026:56029
- https://access.redhat.com/errata/RHSA-2026:61768
- https://access.redhat.com/security/cve/CVE-2026-5674
- https://bugzilla.redhat.com/show_bug.cgi?id=2455341
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.