Linux · Security advisory · October 20, 2026
RHSA-2026:85306: bubblewrap security update
RHSA-2026:85306, released October 20, 2026, fixes 1 CVE in bubblewrap (version 0:0.4.0-3.el8_10). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0021
11th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| bubblewrap | RHEL 8 | 0:0.4.0-3.el8_10 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2026-87766 | Bubblewrap: bubblewrap: symlink traversal via /oldroot allows writing files outside sandbox during setup | 8.8 | 0.0021 | None reported |
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