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No advisories yet.
Solution
No solution given by the vendor.
Workaround
Do not create files on untrusted content with unpatched bwrap. Do not install untrusted Flatpaks. No upstream fix for older setuid builds.
Wed, 09 Sep 2026 17:30:00 +0000
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Wed, 09 Sep 2026 15:30:00 +0000
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ssvc
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Wed, 09 Sep 2026 12:15:00 +0000
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threat_severity
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threat_severity
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Wed, 09 Sep 2026 08:45:00 +0000
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| Description | A flaw was found in bubblewrap. During sandbox setup, creating files or directories under the new root can follow a parent symlink onto the host via /oldroot, writing attacker-chosen paths outside the sandbox as the launching user. This happens before the sandboxed process starts. This issue is GHSA-pxhw-h44j-8pfx. It is fixed in bubblewrap 0.12.0. | |
| Title | Bubblewrap: bubblewrap: symlink traversal via /oldroot allows writing files outside sandbox during setup | |
| First Time appeared |
Redhat
Redhat enterprise Linux Redhat hummingbird |
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| Weaknesses | CWE-59 | |
| CPEs | cpe:/a:redhat:hummingbird:1 cpe:/o:redhat:enterprise_linux:10 cpe:/o:redhat:enterprise_linux:8 cpe:/o:redhat:enterprise_linux:9 |
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| Vendors & Products |
Redhat
Redhat enterprise Linux Redhat hummingbird |
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| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-09-09T16:07:46.977Z
Reserved: 2026-09-09T08:08:33.568Z
Link: CVE-2026-87766
Updated: 2026-09-09T16:07:46.977Z
Status : Awaiting Analysis
Published: 2026-09-09T09:17:12.540
Modified: 2026-09-09T17:17:52.587
Link: CVE-2026-87766
OpenCVE Enrichment
Updated: 2026-09-09T10:45:08Z