CVE-2026-27444Disclosure(seppmail / seppmail)

LOWCVSS 7.5 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

SEPPmail Secure Email Gateway before version 15.0.1 incorrectly interprets email addresses in the email headers, causing an interpretation conflict with other mail infrastructure that allows an attacker to fake the source of the email or decrypt it.

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0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure

Weakness type (CWE)

CWE-436

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

seppmail

Threat summary

3 mentions across 2 observed days
Momentum state: stable

What's happening

Technical details provided in 3 signals
Disclosure: 2 classified signals
General: 1 classified signal
Peaked 1d ago at 2 mentions (2026-03-04); latest day: 1
3 total mentions across 2 days

Affected systems

Vendors

seppmail

Products

seppmail

Deep dive

Activity timeline3 mentions / 2d

Signal classification2 categories

Disclosure

266.7%

General

133.3%

Referenced assets3 URLs

By indicator

Classification over time

Date	Total	Labels

2026-03-04	2	Disclosure2
2026-03-05	1	General1

Full discourse3 posts

CVEarity@CVEarity219d
General
⚡ New CVE Alert: CVE-2026-27444 📊 Severity: 7.8 🚨 Risk Level: High 🧩 Affects: Multiple / Unspecified Products Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-27444 #CVE-2026-27444 #CVE #High #CyberSecurity #InfoSec https://t.co/lmNRBrxNZF
Post summary
The tweet announces CVE-2026-27444 with basic severity and impact information but lacks details on exploitation, PoC, or remediation.
0000031
65 followersView on X
Infoflowcloud@infoflowcloud220d
Disclosure
🚨*CVE* CVE-2026-27444 SEPPmail Secure Email Gateway before version 15.0.1 incorrectly interprets email addresses in the email headers, causing an interpretation conflict with other mail in… https://www.cve.org/CVERecord?id=CVE-2026-27444 ----- Traducción: CVE-2026-27444 SEP… http://infoflow.cloud`
Post summary
The post announces CVE-2026-27444, detailing a header parsing flaw in SEPPmail Secure Email Gateway before v15.0.1, but offers no PoC, exploit, or mitigation information.
0000027
55 followersView on X
CVE@CVEnew220d
Disclosure
CVE-2026-27444 SEPPmail Secure Email Gateway before version 15.0.1 incorrectly interprets email addresses in the email headers, causing an interpretation conflict with other mail in… https://www.cve.org/CVERecord?id=CVE-2026-27444
Post summary
The CVE-2026-27444 vulnerability in SEPPmail Secure Email Gateway before version 15.0.1 involves incorrect interpretation of email headers, leading to conflicts, but no PoC, exploit, or patch information is provided.
00000275
56.6K followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	seppmail	seppmail	-	-	-

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