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Vulnerabilities CVE-2026-42503

CVE-2026-42503

High
Open
TLP:CLEAR

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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 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.

Details

CVSS Score
8.8
EPSS Score
0.22%

13.2th percentile

CVSS Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Confidence
90%
Published
May 6, 2026
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