jline vulnerabilities and fixes

Recent CVEs affecting jline, with upgrade or downgrade steps. 2 tracked.

jline has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 2. Most recent: 2026-07-17. Highest priority: CVE-2026-56740 (score 51/100).

• CVE-2026-56740 HIGH 7.5 UPGRADE JLine is a Java library for handling console input
• CVE-2026-56741 HIGH 7.5 UPGRADE JLine is a Java library for handling console input

FAQ

How do I fix jline vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is jline being exploited right now?

None of the tracked jline CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which jline CVE should I patch first?

CVE-2026-56740 currently ranks highest (51/100): JLine is a Java library for handling console input.

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