CVE-2019-18978 is a directory traversal vulnerability in the rack-cors gem (versions prior to 1.0.4) for Ruby, affecting various Canonical and Debian Linux distributions. This medium-severity vulnerability (CVSS 5.3) allows an unauthenticated attacker to access private resources by manipulating pathnames. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has received minimal community discussion and media coverage, with one article mentioning it in a GitLab security release.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.0.4CPE matchmatch criteria | cpe:2.3:a:rack-cors_project:rack-cors:*:*:*:*:*:ruby:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | ||
16.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.