What is CVE-2026-41253?

CVE-2026-41253 is a medium-severity vulnerability in Iterm2, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 6.9/10. Published 2026-04-18.

How severe is CVE-2026-41253?

Medium severity. CVSS v3 base score is 6.9 out of 10.

Vulnerability in Iterm2

CVE-2026-41253

In iTerm2 through 3.6.9, displaying a .txt file can cause code execution via DCS 2000p and OSC 135 data, if the working directory contains a malicious file whose name is valid output from the conductor encoding path, such as a pathname wit…

EPSS: 0.000 (0.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.9 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L.

Affected products

Iterm2 — versions 0

Weakness classification (CWE)

CWE-829 — Inclusion of Functionality from Untrusted Control Sphere

References

cve@mitre.org (Product)
cve@mitre.org (Exploit, Third Party Advisory)
cve@mitre.org (Patch)
cve@mitre.org (Issue Tracking)

Frequently asked questions

What is CVE-2026-41253?: CVE-2026-41253 is a medium-severity vulnerability in Iterm2, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 6.9/10. Published 2026-04-18.
How severe is CVE-2026-41253?: Medium severity. CVSS v3 base score is 6.9 out of 10.