arelle vulnerabilities and fixes
Recent CVEs affecting arelle, with upgrade or downgrade steps. 1 tracked.
arelle has 1 tracked vulnerability, 1 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-05-04. Highest priority: CVE-2026-42796 (score 64/100).
- CVE-2026-42796 CRITICAL 9.8 UPGRADE Arelle before 2.39.10 contains an unauthenticated remote code execution vulnerability in the /rest/configure R
FAQ
How do I fix arelle 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 arelle being exploited right now?
None of the tracked arelle CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which arelle CVE should I patch first?
CVE-2026-42796 currently ranks highest (64/100): Arelle before 2.39.10 contains an unauthenticated remote code execution vulnerability in the /rest/configure R.