CVE-2026-27144
CVE-2026-27144 is a high-severity vulnerability in Golang Go with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-843.
Key facts
- Severity: High (CVSS 3.x base score 7.1)
- EPSS exploit prediction: 0% (17th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-20006
- Weakness: CWE-843
- Affected product: Golang Go
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2026-27144?
- 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.
- How severe is CVE-2026-27144?
- CVE-2026-27144 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
- Is CVE-2026-27144 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-27144?
- CVE-2026-27144 affects Golang Go. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-27144?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-27144 have an EU (EUVD) identifier?
- Yes. CVE-2026-27144 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20006.
- When was CVE-2026-27144 published?
- CVE-2026-27144 was published on 2026-04-08 and last updated on 2026-06-17.
References
- https://go.dev/cl/763764
- https://go.dev/issue/78371
- https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU
- https://pkg.go.dev/vuln/GO-2026-4867
Affected products (1)
- cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*
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