7.1

CVE-2026-27144: Miscompilation allows memory corruption via CONVNOP-wrapped array copy in cmd/compile

Analyzed
AliasesUBUNTU-CVE-2026-27144DEBIAN-CVE-2026-27144CGA-2275-vv4v-f936
Published 08-04-2026Last modified 13-04-2026

Vulnerability summary

CVE-2026-27144 is a high (CVSS 7.1) vulnerability in go toolchain cmd/compile. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.9% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.1, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.26%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 25 · Related 24

Timeline

  1. 08-04-2026
    PublishedVulnerability first disclosed.
  2. 13-04-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

7 scores · 7 sources · 1 version

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

18%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.26% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard198 products
  • apache-beam-java-11-sdk< 2.73.0-r0
  • apache-beam-java-17-sdk< 2.73.0-r0
  • apache-beam-java-21-sdk< 2.73.0-r0
  • apisix-ingress-controller< 2.0.1-r10
  • apm-server-8.18All versions (No fix recorded)
Alpine2 products
  • go≥ 1.26.0, < 1.25.9-r0 | ≥ 1.26.0, < 1.26.2-r0
  • rclone< 1.73.5-r0

2 vendors · 200 products · Showing 200 of 1090

References

11 links
Show all 11 references