CVE-2026-123014High· 8.7▾ MidnightPoC availableiTerm2 before 3.7.7beta2 has an argument injection vulnerability in the x-man-page: URL handler, allowing an attacker to execute arbitrary commands with the privileges of the logged-in user by inducing the user to open a crafted URL in i…
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 47.8 · likelihood 0.1 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Public exploit / PoC code seen in 1 source. Availability, not in-the-wild use.
Exploit-prediction probability, daily snapshots since Nov 6.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.5%
1 GitHub repo
iTerm2 before 3.7.7beta2 has an argument injection vulnerability in the x-man-page: URL handler, allowing an attacker to execute arbitrary commands with the privileges of the logged-in user by inducing the user to open a crafted URL in iTerm2. Percent-encoded NUL characters survive input sanitization and are subsequently converted to whitespace during command-line parsing, allowing injection of additional arguments to /usr/bin/man. An attacker can inject the -P option to select an attacker-controlled pager command. NOTE: this issue exists because of an incomplete fix for CVE-2023-46321.
iTerm2 < 3.7.7beta2The maintainer confirms that the fix first shipped in iTerm2 3.7.7beta2 and will be included in the 3.7.7 stable release. The x-man-page: handler now validates manual-page sections and page names against an allowlist of characters. URLs containing NUL or other disallowed characters are rejected with a warning. Users should upgrade to a release containing this fix.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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