← All CVEs NewScan detects
high

CVE-2026-126080

Rails activesupport before 8.0.5.2: Active Support constant-lookup LoadError handling (CVSS 7.5)

Severity
high
Affected product
activesupport
Affected versions
activesupport < 8.0.5.2
Affected versions
activesupport ≥ 8.1.0, < 8.1.4.1
Fixed in
activesupport 8.0.5.2 (8.0 line) / 8.1.4.1
Fixed in
activesupport 8.1.4.1
Detection basis
Component version range
Shipped rule
activesupport: Rails activesupport before 8.0.5.2: Active Support constant-lookup LoadError handling (CVSS 7.5)
activesupport: Rails activesupport 8.1.0 before 8.1.4.1: Active Support constant-lookup LoadError handling (CVSS 7.5)
Added to NewScan
2026-11-11
Detected by
NewScan — free, self-hosted

How NewScan reports it

COMPONENT VERSION RANGE

NewScan fingerprints activesupport from its response and reports this CVE when the detected version falls inside the affected range below.

COMPONENT VERSION RANGE

NewScan fingerprints activesupport from its response and reports this CVE when the detected version falls inside the affected range below.

The same shipped rule and upgrade also cover these identifiers:

References

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