Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2019-5918

28
FAUCET Score

CVE-2019-5918 describes an XML External Entity (XXE) vulnerability in Nablarch 5 (versions 5, and 5u1 through 5u13), allowing remote attackers to execute arbitrary code or access sensitive information through unspecified vectors. This critical vulnerability carries a CVSS score of 9.1, indicating a high impact on confidentiality and availability with low attack complexity and no user interaction required. Despite its severity, there is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
5CPE matchmatch criteria
cpe:2.3:a:nablarch_project:nablarch:5:*:*:*:*:*:*:*
5u1CPE matchmatch criteria
cpe:2.3:a:nablarch_project:nablarch:5u1:*:*:*:*:*:*:*
5u13CPE matchmatch criteria
cpe:2.3:a:nablarch_project:nablarch:5u13:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.1CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.86%
Probability of exploitation in next 30 days
EPSS Percentile
77.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0186 is in the 65th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvn.jp / en/jp/JVN56542712/index.html
Third Party Advisory
nablarch.atlassian.net / projects/NAB/issues/NAB-295
Third Party Advisory