---
title: "CVE-2026-93012: Email::Sender::Transport::Sendmail - Command Injection"
description: "Email::Sender::Transport::Sendmail < 2.602 for Perl contains a command injection caused by unsafe shell command construction on Windows in _sendmail_pipe, letting attackers execute arbitrary commands via crafted email headers, exploit requires attacker control of email headers."
url: https://panop.io/threat-heartbeat/CVE-2026-93012/
---

# CVE-2026-93012 Email::Sender::Transport::Sendmail - Command Injection

Email::Sender::Transport::Sendmail < 2.602 for Perl contains a command injection caused by unsafe shell command construction on Windows in \_sendmail\_pipe, letting attackers execute arbitrary commands via crafted email headers, exploit requires attacker control of email headers.

CVSS base score 9.8 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.60% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-93012)

## Details

Type

Command Injection

Impact

Command Injection

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

21 September 2026

Updated

15 October 2026

Weakness

[CWE-78](https://cwe.mitre.org/data/definitions/78.html)

## Vendor fix

Update to version 2.602 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-93012](https://nvd.nist.gov/vuln/detail/CVE-2026-93012)
- [https://github.com/rjbs/Email-Sender/commit/9a587bc9ff4edae13239190c2651da2c76b1e72c.patch](https://github.com/rjbs/Email-Sender/commit/9a587bc9ff4edae13239190c2651da2c76b1e72c.patch)
- [https://metacpan.org/release/RJBS/Email-Sender-2.602/changes](https://metacpan.org/release/RJBS/Email-Sender-2.602/changes)
- [http://www.openwall.com/lists/oss-security/2026/09/21/8](http://www.openwall.com/lists/oss-security/2026/09/21/8)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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