CVE-2026-27144: high-severity vulnerability in Go toolchain cmd/compile
Miscompilation allows memory corruption via CONVNOP-wrapped array copy in cmd/compile
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.1epss 0.3%
The compiler is meant to unwrap pointers which are the operands of a memory move; a no-op interface conversion prevented the compiler from making the correct determination about non-overlapping moves, potentially leading to memory corruption at runtime.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Affected products
Go toolchain · cmd/compileRelated CVEs — Go toolchain cmd/compile
In the same product, most dangerous first.