CVE-2026-48720: Input Validation Flaw (CVSS 8.8)

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.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0025

Probability of exploitation

0.16%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-20 Improper Input Validation

CWE-73 CWE-73

References

Other References

https://github.com/warpdotdev/warp/commit/f3b9ce1c8fd13d037526c447418d809087722daa https://github.com/warpdotdev/warp/security/advisories/GHSA-5h96-jrrq-6hxq

Frequently Asked Questions

What is CVE-2026-48720? +

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. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-48720? +

CVE-2026-48720 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0025, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-48720? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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