CVE-2026-41253
Medium · 6.9CVSS
6.9
EPSS
0.2%
Published
Apr 18, 2026
CISA due date
—
The record
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 with an initial ace/c+ substring, aka "hypothetical in-band signaling abuse." This occurs because iTerm2 accepts the SSH conductor protocol from terminal output that does not originate from a legitimate conductor session.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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