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CVE-2026-271439.8CriticalCWE-190

CVE-2026-27143: Missing bound checks can lead to memory corruption in safe Go in cmd/compile

Go toolchain · cmd/compile

Vendor fix available · Affected: Go toolchain cmd/compile · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.6%probability of exploitation in the next 30 days
46th percentile
050100

Higher than 46% of scored CVEs

9.8CriticalCVSS 3.1
LowCrit.

DescriptionCVE.org

Arithmetic over induction variables in loops were not correctly checked for underflow or overflow. As a result, the compiler would allow for invalid indexing to occur at runtime, potentially leading to memory corruption.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

  • Go toolchain · cmd/compilebefore 1.25.9; from 1.26.0-0 before 1.26.2

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas
Exploitation
Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV
Not listed
Public check
No public nuclei template
Published
April 2026

CoverageNo articles yet

No CyberSIXT article names CVE-2026-27143 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.

References