CVE-2026-42503
Published: 06 May 2026
Summary
CVE-2026-42503 is a high-severity Binding to an Unrestricted IP Address (CWE-1327) vulnerability in Go (inferred from references). Its CVSS base score is 8.8 (High).
Operationally, ranked at the 4.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
NVD Description
gopls by default communicates via pipe. However, -port and -listen flags are supported as means of debugging. If -listen is given a value without an explicit host (e.g. :8080), or -port is used, gopls will listen on 0.0.0.0. As a…
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result, users might inadvertently cause gopls to bind 0.0.0.0. This can allow a malicious party on the same network to execute code arbitrarily via gopls.
Deeper analysisAI
Automated synthesis unavailable for this CVE.
Details
- CWE(s)