CVE-2026-106451 yawkat LZ4 Java - Race Condition & Native Code Execution

yawkat LZ4 Java 1.7.0 to 1.11.4 contains a race condition in native library loading caused by predictable temporary file paths, letting local attackers execute native code by replacing the library file, exploit requires shared temporary directory access.

CVSS base score 7.3 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.08% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Race Condition
Impact
Remote Code Execution
CVSS vector
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
6 October 2026
Updated
15 October 2026
Weakness
CWE-367

Vendor fix

Update to version 1.11.4 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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