# CVE-2026-23520: Arcane Has a Command Injection in Arcane Updater Lifecycle Labels That Enables RCE

Source: https://junglewise.ai/threats/cve-2026-23520-arcane-has-a-command-injection-in-arcane-updater-lifecycle-labels  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-01-23  
License: CC BY 4.0 with a link back

CVE-2026-23520 · Severity: low · CVSS 3.1 · Published 2026-01-23

Arcane Has a Command Injection in Arcane Updater Lifecycle Labels That Enables RCE in github.com/getarcaneapp/arcane/backend

Technologies: [github.com/getarcaneapp/arcane/backend (Go)](https://junglewise.ai/threats/technologies/github-com-getarcaneapp-arcane-backend). Vendors: [Go](https://junglewise.ai/threats/vendors/go).

## Quick answers

**Is CVE-2026-23520 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-23520 being exploited in the wild.

**How severe is CVE-2026-23520?** Low severity, with a CVSS score of 3.1, published 23 January 2026.

**Which products and versions are affected?** github.com/getarcaneapp/arcane/backend (Go) SEMVER:introduced=0,fixed=0.0.0-20260114065515-5a9c2f92e11f.

**Is there a fix for CVE-2026-23520?** Yes. github.com/getarcaneapp/arcane/backend (Go): upgrade to 0.0.0-20260114065515-5a9c2f92e11f or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2026-23520?** Check whether you run github.com/getarcaneapp/arcane/backend (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- github.com/getarcaneapp/arcane/backend (Go): upgrade to 0.0.0-20260114065515-5a9c2f92e11f or later

  ```sh
  go get github.com/getarcaneapp/arcane/backend@v0.0.0-20260114065515-5a9c2f92e11f
  ```


## Affected products

- github.com/getarcaneapp/arcane/backend (Go) SEMVER:introduced=0,fixed=0.0.0-20260114065515-5a9c2f92e11f

## Identifiers

- CVE-2026-23520
- GHSA-gjqq-6r35-w3r8
- GO-2026-4320

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