PT-2026-22887 · Seppmail · Seppmail Secure Email Gateway

Andris Suter-Dörig + 2 · Published 2026-03-04 · Updated 2026-03-06 · CVE-2026-27441

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions SEPPmail Secure Email Gateway versions prior to 15.0.1

Description The SEPPmail Secure Email Gateway does not properly handle PDF encryption passwords, potentially allowing for operating system command execution. The issue arises from insufficient neutralization of the password.

Recommendations Update to version 15.0.1 or later.

Fix

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2026-27441

Affected Products

Seppmail Secure Email Gateway

References · 11

• https://osv.dev/vulnerability/CVE-2026-27441 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-27441 · Security Note
• https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure · Vendor Advisory
• https://twitter.com/CCBalert/status/2029593354787332165 · Twitter Post
• https://twitter.com/CVEnew/status/2029125967143129524 · Twitter Post
• https://t.me/cveNotify/154093 · Telegram Post
• https://t.me/CVEtracker/46294 · Telegram Post
• https://twitter.com/infoflowcloud/status/2029127403939786861 · Twitter Post
• https://t.me/cveNotify/154345 · Telegram Post
• https://twitter.com/CVEarity/status/2029239477840036354 · Twitter Post
• https://twitter.com/autumn_good_35/status/2029942070346138065 · Twitter Post