CVE-2026-44479 Vercel: Non-interactive mode includes CLI arguments in suggested command output
Vercel CLI leaks authentication tokens in command suggestions during non-interactive runs, exposing credentials in logs.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-44479?
CVE-2026-44479 is a medium-severity vulnerability in vercel, published on 13 May 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Vercel’s AI Cloud is a unified platform for building modern applications. From 50.16.0 to 52.0.0, hen the Vercel CLI runs in non-interactive mode (--non-interactive or auto-detected AI agent), commands that cannot complete autonomously emit JSON payloads with suggested follow-up commands. If the user authenticated via --token or -t on the command line, the token value is included verbatim in those suggestions. The plaintext token may be captured in CI/CD logs, agent transcripts, or other automation output. This vulnerability is fixed in 52.0.1.
Which versions are affected by CVE-2026-44479?
2 open source packages ship an affected version, including vercel. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
vercel npm | From 50.16.0 | 52.0.1 |
vercel npm | From 50.16.0 | 52.0.1 |
Products include Vercel Vercel.
How do I fix CVE-2026-44479?
Upgrade vercel to 52.0.1 or later.
Is CVE-2026-44479 being exploited?
There is no known exploitation of CVE-2026-44479 in the wild and no public exploit code.
Sources
Also known as GHSA-pgf8-2hgj-grqg.