CVE-2026-100866
Low
Description
onefetch through 2.28.1 writes repository information field values to the terminal without removing control characters, allowing terminal escape sequence injection. Attackers can embed ANSI/OSC escape sequences in project manifest version and name fields to manipulate terminal output, rewrite window titles, hide text, or trigger emulator-specific behavior when victims run onefetch.
SeverityLow
CVSS3.3
Exploit probability—
ProductO2sh Onefetch
PublishedSep 27, 2026
First seenSep 27, 2026
Weakness typeCWE-150CWE-150
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| o2sh onefetch | v ≤ 2.28.1 | — |
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