RCE in Dan Mcinerney Pymetasploit3

CVE-2026-5463

Command injection vulnerability in console.run_module_with_output() in pymetasploit3 through version 1.0.6 allows attackers to inject newline characters into module options such as RHOSTS. This breaks the intended command structure and causes the Metasploit console to execute additional unintended commands, potentially leading to arbitrary command execution and manipulation of Metasploit sessions.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L.

EPSS exploit prediction

EPSS: 0.034 (88.3th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-5463: rose from 0.021 to 0.034.

EPSS over last 30 days · oldest: 0.021 · newest: 0.034 · change: +0.012

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-5463?
CVE-2026-5463 is a high-severity vulnerability in Dan Mcinerney Pymetasploit3, classified under Command Injection. CVSS score: 8.6/10. Published 2026-04-03.
How severe is CVE-2026-5463?
High severity. CVSS v3 base score is 8.6 out of 10.