sed vulnerabilities and fixes
Recent CVEs affecting sed, with upgrade or downgrade steps. 3 tracked.
sed has 3 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-06-25. Highest priority: CVE-2026-9155 (score 55/100).
- CVE-2026-9155 HIGH 8.8 DOWNGRADE OS Command Injection vulnerability in Rapid7 InsightConnect Sed Plugin on Linux allows authenticated attackers
- CVE-2026-9154 HIGH 7.1 DOWNGRADE Arbitrary File Write vulnerability in Rapid7 InsightConnect Sed Plugin on Linux allows authenticated attackers
- CVE-2026-9153 MEDIUM 6.5 DOWNGRADE Arbitrary File Read vulnerability in Rapid7 InsightConnect Sed Plugin on Linux allows authenticated attackers
FAQ
How do I fix sed 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 sed being exploited right now?
None of the tracked sed CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which sed CVE should I patch first?
CVE-2026-9155 currently ranks highest (55/100): OS Command Injection vulnerability in Rapid7 InsightConnect Sed Plugin on Linux allows authenticated attackers.