CVE-2019-5413: morgan_project morgan Improper Control of Generation of Code
Vulnerability summary
CVE-2019-5413 is a critical (CVSS 9.8) Improper Control of Generation of Code vulnerability in morgan_project morgan. EPSS estimates a 3.40% chance of exploitation in the next 30 days, higher than 88.8% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (reference, Date unknown)
Source freshness unavailable
How is this decided?Timeline
- 17-03-2019PublishedVulnerability first disclosed.
- 02-11-2026Last modifiedVulnerability information updated.
Description
An attacker can use the format parameter to inject arbitrary commands in the npm package morgan < 1.9.1.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · NpmEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
3.40%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.40% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundExploit Reference (hackerone.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-94Improper Control of Generation of CodeThe product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
- CWE-77Improper Neutralization of Special Elements used in a CommandThe product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
Affected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Morgan_project1 product
- morgan< 1.9.1
Npm1 product
- morgan< 1.9.1
2 vendors · 2 products