[NEW] [medium] Golang Go: Multiple vulnerabilities allow information disclosure

An attacker can exploit multiple vulnerabilities in Golang Go to disclose information.

CSIRTS triage

What: Multiple vulnerabilities allow an attacker to disclose information.
Who is affected: Users of Golang Go are affected.
Urgency: Remediation is medium urgency due to the nature of the vulnerabilities.
Action: Update to the latest version of Golang Go.

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

⚡ Watch Go

Get an email when a new Go advisory drops — max one per day, one-click unsubscribe.

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-2026-398220.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-425050.38% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 32% of all EPSS-scored CVEs.

CVE	CSIRTS overview	External
CVE-2026-39822	coverage & exploitation status	NVD · CVE.org
CVE-2026-42505	coverage & exploitation status	NVD · CVE.org

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