CVE-2026-27686 PUBLISHED CVSS 5.900000095367432 MEDIUM

Included in Log4j 1.2 is a SocketServer class that is vulnerable to deserialization of untrusted data which can be exploited to remotely execute arbitrary code when combined with a deserialization gadget when listening to untrusted network traffic for log data. This affects Log4j versions up to 1.2 up to 1.2.17.

EPSS 0.04% · 12.3th percentile

Risk Scores

CVSS v3.1
5.900000095367432
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
EPSS Score
0.04%
12.3th percentile

Affected Products

VendorProductVersions
Apache Software FoundationLog4jversions up to 1.2.17
SAP_SESAP Business Warehouse (Service API)300, 400, PI_BASIS 2006_1_700

Timeline

References

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