CVE-2023-50094: reNgine before 2.1.2 allows OS Command Injection if an adversary has a valid session ID

Q: How do I fix CVE-2023-50094?

rengine: upgrade to newer than 2.0.2. Exact commands for each OS are on this page.

Q: Is CVE-2023-50094 being exploited?

CVE-2023-50094 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-50094 affect?

CVE-2023-50094 affects rengine. Severity is high (CVSS 8.8). reNgine before 2.1.2 allows OS Command Injection if an adversary has a valid session ID. The attack places shell metacharacters in an api/tools/waf_detector/?url= string. The commands are executed as root via subprocess.check_output.

Q: How urgent is CVE-2023-50094?

Priority 60/100. High severity; EPSS top 4%: very likely to be exploited; Public exploit reference

This week

HIGH 8.8UPGRADE

CVE-2023-50094 is a high-severity flaw (CVSS 8.8) affecting rengine. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

reNgine before 2.1.2 allows OS Command Injection if an adversary has a valid session ID. The attack places shell metacharacters in an api/tools/waf_detector/?url= string. The commands are executed as root via subprocess.check_output.

Why this priority

High severity
EPSS top 4%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	13.5% (top 4%)
CISA exploited list	No
Weakness	CWE-78
Published	2024-01-01
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: yogeshojha

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-01-01 18:15 UTCPublished CVE record published
2026-06-17 06:39 UTCUpdated Record last modified

yogeshojha rengine UPGRADE

Affected: <= 2.0.2

Fixed in: newer than 2.0.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy rengine || rpm -q rengine || rengine --version

2. UPGRADE to newer than 2.0.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade rengine

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade rengine

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: reNgine 2.2.0 - Command Injection

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-50094?

rengine: upgrade to newer than 2.0.2. Exact commands for each OS are on this page.

Is CVE-2023-50094 being exploited?

CVE-2023-50094 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-50094 affect?

CVE-2023-50094 affects rengine. Severity is high (CVSS 8.8). reNgine before 2.1.2 allows OS Command Injection if an adversary has a valid session ID. The attack places shell metacharacters in an api/tools/waf_detector/?url= string. The commands are executed as root via subprocess.check_output.

How urgent is CVE-2023-50094?

Priority 60/100. High severity; EPSS top 4%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2024-58287 HIGH 8.8 DOWNGRADE reNgine 2.2.0 contains a command injection vulnerability in the nmap_cmd parameter of scan engine configuratio
CVE-2025-61319 MEDIUM 6.1 UPGRADE ReNgine thru 2.2.0 is vulnerable to a Stored Cross-Site Scripting (XSS) vulnerability in the Vulnerabilities m
CVE-2025-24962 HIGH 8.8 DOWNGRADE reNgine is an automated reconnaissance framework for web applications
CVE-2025-24899 HIGH 7.5 UPGRADE reNgine is an automated reconnaissance framework for web applications
CVE-2024-43381 MEDIUM 5.0 UPGRADE reNgine is an automated reconnaissance framework for web applications

References

← Back to latest CVEs