{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-54057: Kitty vulnerable to command injection via unsanitized OSC 21 query reply","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-54057","status":"final","version":"1","initial_release_date":"2026-06-12T20:07:00.209Z","current_release_date":"2026-06-16T03:55:59.652Z","revision_history":[{"date":"2026-06-12T20:07:00.209Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"Kitty is a cross-platform GPU based terminal. In versions prior to 0.47.3, kitty's OSC 21 (color-control) query reply reflects attacker-controlled bytes, including newlines, into the shell's input without sanitization. Version 0.47.3 fixes the issue.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-54057 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-54057"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-54057"},{"category":"external","summary":"https://github.com/kovidgoyal/kitty/security/advisories/GHSA-5gmr-9gwg-hhq6","url":"https://github.com/kovidgoyal/kitty/security/advisories/GHSA-5gmr-9gwg-hhq6"}]},"product_tree":{"branches":[{"category":"vendor","name":"kovidgoyal","branches":[{"category":"product_name","name":"kitty","branches":[{"category":"product_version","name":"< 0.47.3","product":{"name":"kovidgoyal kitty < 0.47.3","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:kovidgoyal:kitty:\\<_0.47.3:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-54057","title":"Kitty vulnerable to command injection via unsanitized OSC 21 query reply","notes":[{"category":"description","text":"Kitty is a cross-platform GPU based terminal. In versions prior to 0.47.3, kitty's OSC 21 (color-control) query reply reflects attacker-controlled bytes, including newlines, into the shell's input without sanitization. Version 0.47.3 fixes the issue.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v4":{"version":"4.0","vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","baseScore":7.3,"baseSeverity":"HIGH"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}