SARA / Free Tools / CVE / CVE-2019-5418

CVE-2019-5418 — Rails Ruby on Rails Path Traversal Vulnerability

There is a File Content Disclosure vulnerability in Action View <5.2.2.1, <5.1.6.2, <5.0.7.2, <4.2.11.1 and v3 where specially crafted accept headers can cause contents of arbitrary files on the target system's filesystem to be exposed.

CVSS
EPSS
94.32% (top 0.10%)
CWE
CWE-22
Published
2019-03-27T13:38:58.000Z
Last modified
2025-10-21T23:45:41.038Z
CVSS vector
CISA KEV — Actively Exploited
Added to KEV
2025-07-07
BOD 22-01 due
2025-07-28
Ransomware use
Unknown

01What is this vulnerability?

There is a File Content Disclosure vulnerability in Action View <5.2.2.1, <5.1.6.2, <5.0.7.2, <4.2.11.1 and v3 where specially crafted accept headers can cause contents of arbitrary files on the target system's filesystem to be exposed.

02Affected products

VendorProductVersions
Railshttps://github.com/rails/rails5.2.2.1, 5.1.6.2, 5.0.7.2, 4.2.11.1

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2025-07-07. Ransomware use: Unknown.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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