CVE-2026-41163— bubblewrap vulnerable to privilege escalation in setuid mode via ptrace
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I. Basic Information for CVE-2026-41163
Vulnerability Information
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Vulnerability Title
bubblewrap vulnerable to privilege escalation in setuid mode via ptrace
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权管理不恰当
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| containers | bubblewrap | >= 0.11.0, < 0.11.2 | - |
II. Public POCs for CVE-2026-41163
| # | POC Description | Source Link | Shenlong Link |
|---|
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- Release Release 0.11.2 · containers/bubblewrap · GitHubx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-41163
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V. Comments for CVE-2026-41163
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