CVE-2025-15367CWE-77

POP3 command injection in user-controlled commands

Medium · published January 20, 2026

CVSS v4.0
5.9
EPSS
0%
Percentile
30.5
In the wild
Unconfirmed
What it is

The poplib module, when passed a user-controlled command, can have

additional commands injected using newlines. Mitigation rejects commands

containing control characters.

The record
Technical detail
CVSS v4.0
5.9 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
EPSS
0.00377 · 30.5th percentile
Weakness
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')
Published
2026-01-20T21:47Z
EPSS history
Timeline
  • 20 JAN 21:47Z
    POP3 command injection in user-controlled commands
    cvelistv5