High severity8.8NVD Advisory· Published Sep 9, 2026· Updated Sep 9, 2026
CVE-2026-87766
CVE-2026-87766
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.
Affected products
2(expand)+ 1 more
- (no CPE)
- (no CPE)range: >=0.12.0
Patches
Vulnerability mechanics
References
6News mentions
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