High 8.7Published May 8, 2026

CVE-2026-41163bubblewrap vulnerable to privilege escalation in setuid mode via ptrace

Updated under an hour ago (Oct 27, 2026, 6:23 AM ET)

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It affects containers bubblewrap and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for containers bubblewrap

Exploited in the last 30 days

bubblewrap is a low-level unprivileged sandboxing tool. From version 0.11.0 to before version 0.11.2, if bubblewrap is installed in setuid mode then the user can use ptrace to attach to bubblewrap and control the unprivileged part of the sandbox setup phase. This allows the attacker to arbitrarily use the privileged operations, and in particular the "overlay mount" operation, allowing the creation of overlay mounts which is otherwise not allowed in the setuid version of bubblewrap. This issue has been patched in version 0.11.2.

CVSS: 8.7 HIGH (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Weakness (CWE): CWE-269
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Deferred
Record last updated: Sep 1, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

containers bubblewrap containers:bubblewrap (from the name)	from 0.11.0, < 0.11.2	CNA record
Red Hat Red Hat Enterprise Linux 10 redhat:enterprise_linux	10	CISA ADP
Red Hat Red Hat OpenShift Container Platform 4 redhat:openshift	4	CISA ADP

References

References

https://github.com/containers/bubblewrap/security/advisories/GHSA-xq78-7hw4-5jvp	x-refsource-confirm
https://github.com/containers/bubblewrap/releases/tag/v0.11.2	x-refsource-misc
https://access.redhat.com/security/cve/CVE-2026-41163
https://bugzilla.redhat.com/show_bug.cgi?id=2468439
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41163.json

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.