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Vulnerability Details :

CVE-2026-9592

Summary
Assigner-NCSC.ch
Assigner Org ID-455daabc-a392-441d-aa46-37d35189897c
Published At-17 Jul, 2026 | 13:51
Updated At-17 Jul, 2026 | 15:24
Rejected At-
Credits

Sensitive Information Disclosure in HTTP header

SEPPmail Secure Email Gateway & SEPPmail Cloud before version 15.0.4.2 allows an attacker to replay & hijack a user session in the GINA web portal, as the session token is disclosed inside the URL and a HTTP header.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:NCSC.ch
Assigner Org ID:455daabc-a392-441d-aa46-37d35189897c
Published At:17 Jul, 2026 | 13:51
Updated At:17 Jul, 2026 | 15:24
Rejected At:
▼CVE Numbering Authority (CNA)
Sensitive Information Disclosure in HTTP header

SEPPmail Secure Email Gateway & SEPPmail Cloud before version 15.0.4.2 allows an attacker to replay & hijack a user session in the GINA web portal, as the session token is disclosed inside the URL and a HTTP header.

Affected Products
Vendor
SEPPmail
Product
SEPPmail Secure Email Gateway & SEPPmail Cloud
Platforms
  • Windows
  • Linux
  • Android
  • ARM
  • 32 bit
  • iOS
  • MacOS
  • x86
  • 64 bit
Default Status
unaffected
Versions
Unaffected
  • 15.0.4.2
Problem Types
TypeCWE IDDescription
CWECWE-598CWE-598 Use of GET request method with sensitive query strings
Type: CWE
CWE ID: CWE-598
Description: CWE-598 Use of GET request method with sensitive query strings
Metrics
VersionBase scoreBase severityVector
4.07.5HIGH
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:U
Version: 4.0
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:U
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-593CAPEC-593 Session Hijacking
CAPEC ID: CAPEC-593
Description: CAPEC-593 Session Hijacking
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Aleksandar Marčeta-Pavlović from WKO Inhouse GmbH of the Austrian Economic Chambers
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#remove-login-redirect-to-prevent-disclosure-of-session-token-information
N/A
Hyperlink: https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#remove-login-redirect-to-prevent-disclosure-of-session-token-information
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:vulnerability@ncsc.ch
Published At:17 Jul, 2026 | 14:17
Updated At:17 Jul, 2026 | 18:11

SEPPmail Secure Email Gateway & SEPPmail Cloud before version 15.0.4.2 allows an attacker to replay & hijack a user session in the GINA web portal, as the session token is disclosed inside the URL and a HTTP header.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.07.5HIGH
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
N/A
Type: Secondary
Version: 4.0
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-598Secondaryvulnerability@ncsc.ch
CWE ID: CWE-598
Type: Secondary
Source: vulnerability@ncsc.ch
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#remove-login-redirect-to-prevent-disclosure-of-session-token-informationvulnerability@ncsc.ch
N/A
Hyperlink: https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#remove-login-redirect-to-prevent-disclosure-of-session-token-information
Source: vulnerability@ncsc.ch
Resource: N/A

Change History

0
Information is not available yet

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