[UPDATE] [medium] Golang Go: Multiple vulnerabilities

CSIRTS triage

What

An attacker can exploit multiple vulnerabilities in Golang Go to bypass security measures and manipulate data.

Who is affected

Deployments of Golang Go are affected.

Urgency

Remediation is medium urgency due to the potential for exploitation.

Action

Update to the latest version of Golang Go.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source

CERT-Bund (BSI) Security Advisories (DE · national-cert · site)

Severity

medium

Published

2026-07-10

Exploitation

Not in CISA KEV at last sync

Language

Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1437

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

• Low exploitation riskCVE-2026-271420.33% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 25% of all scored CVEs.
• Low exploitation riskCVE-2026-338110.81% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 53% of all scored CVEs.
• Low exploitation riskCVE-2026-338140.78% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 52% of all scored CVEs.
• Low exploitation riskCVE-2026-398170.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all scored CVEs.
• Low exploitation riskCVE-2026-398190.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all scored CVEs.
• Low exploitation riskCVE-2026-398200.78% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 52% of all scored CVEs.
• Low exploitation riskCVE-2026-398230.31% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 23% of all scored CVEs.
• Low exploitation riskCVE-2026-398250.39% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 31% of all scored CVEs.
• Low exploitation riskCVE-2026-398260.37% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 29% of all scored CVEs.
• Low exploitation riskCVE-2026-398360.59% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 44% of all scored CVEs.

Referenced CVEs

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

• high[UPDATE] [high] Golang Go: Multiple vulnerabilities allow unspecified attackcert-bund
• high[UPDATE] [high] IBM App Connect Enterprise Certified Container: Multiple vulnerabilitiescert-bund
• unknownMultiple vulnerabilities in IBM products (June 26, 2026)cert-fr-avis

Recent advisories for Golang Go

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

• high[UPDATE] [high] Golang Go: Multiple vulnerabilities allow unspecified attackcert-bund · 2026-07-10
• medium[NEW] [medium] Golang Go: Multiple vulnerabilities allow information disclosurecert-bund · 2026-07-10
• high[UPDATE] [high] Golang Go: Multiple vulnerabilitiescert-bund · 2026-07-10
• medium[UPDATE] [medium] Golang Go: Multiple vulnerabilitiescert-bund · 2026-07-10
• medium[UPDATE] [medium] Golang Go: Vulnerability allows Denial of Servicecert-bund · 2026-07-10
• high[UPDATE] [high] Golang Go: Multiple vulnerabilitiescert-bund · 2026-07-10

More from CERT-Bund (BSI) Security Advisories

• medium[NEW] [medium] DENX U-Boot: Multiple vulnerabilities allow execution of arbitrary code and DoS2026-07-10
• medium[NEW] [medium] Samsung Android: Multiple vulnerabilities2026-07-10
• medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-10
• medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow unspecified attack2026-07-10
• medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-10