Low severity3.3NVD Advisory· Published Sep 27, 2026
CVE-2026-100866
CVE-2026-100866
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.
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Patches
Vulnerability mechanics
References
4- github.com/o2sh/onefetch/blob/9beb80329cf2e5bd784270f668139f0bafb48e2b/src/info/utils/info_field.rsnvd
- github.com/o2sh/onefetch/blob/9beb80329cf2e5bd784270f668139f0bafb48e2b/src/info/version.rsnvd
- github.com/o2sh/onefetch/issues/1828nvd
- www.vulncheck.com/advisories/onefetch-through-2.28.1-terminal-escape-sequence-injectionnvd
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