---
title: "Security digest: January 15, 2026"
url: https://erroneo.us/security/2026-01-15/
description: "January 15, 2026 vulnerability digest: 1 critical advisory (Go). What to patch and who can relax."
type: security-digest-day
section: "Security Digest"
date_published: 2026-01-15
date_modified: 2026-01-15
publisher: erroneo.us
author: erroneo.us Security Desk
license: All rights reserved. Quote with attribution and a link.
---

# Security digest: January 15, 2026

1 critical advisory.

## Take stock

- Go: 1 critical advisory ( github.com/getarcaneapp/arcane/backend ). Check with govulncheck ./... .
- None of it touches your stack? Then there is nothing to do today. That is a result, not a failure to read carefully.

## Known exploited (CISA KEV)

None.

## Critical advisories

- [CVE-2026-23520](https://erroneo.us/security/cve/CVE-2026-23520/index.md) Arcane Has a Command Injection in Arcane Updater Lifecycle Labels That Enables RCE — Go github.com/getarcaneapp/arcane/backend < 0.0.0-20260114065515-5a9c2f92e11f → 0.0.0-20260114065515-5a9c2f92e11f

---
Source page: https://erroneo.us/security/2026-01-15/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt