Go team warns CVE-2026-98432 can give RCE via MPTCP
Since Go 1.24, Linux listen sockets enable MPTCP by default; turning it off is only a fragile stopgap.
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Since Go 1.24, Linux listen sockets enable MPTCP by default; turning it off is only a fragile stopgap.
The html package change targets quadratic work while coalescing adjacent text nodes in addText.

Go 1.27.3 and 1.26.10 distrust eight weak intermediates as CVE-2026-111943; Talos reports no malicious use yet.

SANS analyzes Panchan, a Golang cryptomining worm that still spreads by stealing SSH keys.
Go released golang.org/x/net v0.60.0 to fix HTTP/2 server memory exhaustion caused by Trailer headers.
Go released 1.27.2 and 1.26.9 with security fixes, including an HTTP/2 net/http server issue.
Ubuntu patches Go networking flaws that can hang HTTP/2 connections or exhaust resources via HPACK.
Ubuntu fixed a Go x/net/idna flaw that can bypass hostname controls via Punycode labels.

Malware campaign distributes remote access tools via malicious Terraform providers and Go packages, using Slack and Ethereum smart contracts for command and control.

Cisco Talos uncovers CLOSEDQUORUM, first 'LLM-as-C2' malware using multi-model judge panel to autonomously steal credentials and crypto wallets.
Unauthenticated quadratic CPU-exhaustion DoS disclosed in graphql-go/graphql up to v0.8.1 via OverlappingFieldsCanBeMergedRule; no fixed version exists.
Akamai researchers published an analysis of a Go-based, self-propagating IoT botnet used for DDoS attacks.

Unit 42 analysis of 10,700 Go-compiled malware samples shows steady growth in the wild, with 92% targeting Windows and top families including Veil, GoBot2, and HERCULES.
Security researchers detected Go-based macOS malware stealing cryptocurrency, passwords, and other secrets from infected systems.
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