CVE-2019-5418
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
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EPSS — probability of exploitation (30 days)
98.5%
99.9th percentile
CISA KEV
Listed
Added 2025-07-07 · patch by 2025-07-28
Weakness / dates
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Published — · modified —
Timeline
- 2025-07-07 — Added to CISA KEV (actively exploited)
- 2025-07-28 — CISA patch-by deadline
Description
Rails Ruby on Rails contains a path traversal vulnerability in Action View. Specially crafted accept headers in combination with calls to `render file:` can cause arbitrary files on the target server to be rendered, disclosing the file contents.