CVE-2026-48720 Warp: SSH remote output can lead to local file overwrite and persistence
Attackers can overwrite local files and establish persistence by sending malicious OSC 1337 payloads via SSH remote output in Warp terminal.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-48720?
CVE-2026-48720 is a high-severity path traversal vulnerability in warpdotdev warp, published on 24 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Warp is an agentic development environment. From 0.2025.03.05.08.02.stable_00 until 0.2026.05.06.15.42.stable_01, Warp accepts non-inline `OSC 1337;File` payloads from terminal output and materialize the decoded payload as a local file without an additional confirmation step. This vulnerability is fixed in 0.2026.05.06.15.42.stable_01.
Which versions are affected by CVE-2026-48720?
How do I fix CVE-2026-48720?
No fix has been published for CVE-2026-48720 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-48720 being exploited?
There is no known exploitation of CVE-2026-48720 in the wild and no public exploit code.
Sources
Also known as GHSA-5h96-jrrq-6hxq.