All vulnerabilities

Servers and applications

CVE-2026-126080

Active Support: Possible DoS vulnerability in Active Support safe_constantize

Severity
High 7.5
Published
10 Nov 2026
Last changed
10 Nov 2026
Added to UpHeron
10 Nov 2026
Fixed in
8.0.5.2, 8.1.4.1
Sources
CVE Program

Affected software

SoftwareAffected versions
Ruby on RailsServers and applications · cna:rails|rails
  • Every version before 8.0.5.2
  • From 8.1 before 8.1.4.1

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-126080