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CVE-2026-48187

Email with special content can lead to DoS

Published: Jun 1, 2026Updated: Jul 22, 2026 Sources: CVE List NVDCWE-400
5.7MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 89.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

An uncontrolled allocation of resources without limits or throttling in the e-mail handling in OTRS allows excessive allocation which may lead to the abortion of the webserver.This issue affects OTRS: * 8.0.X * 2023.X * 2024.X * 2025.X * 2026.X before 2026.4.X Please note that ((OTRS)) Community Edition 6.x, OTRS 7.x and products based on the ((OTRS)) Community Edition also very likely to be affected

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:RS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-400CWE-770

Affected Products

OTRS AG
commercial·DEaka ((otrs)), otrs cisincustomerfrontend, otrs, otrs community edition
OTRSOn-premWeb App
Enterprise Software / itsm-monitoring
((OTRS)) Community EditionOn-premWeb App
Enterprise Software / itsm-monitoring
otrs
commercial·DEaka otrs itsm, open ticket request system
otrsOn-premWeb App
Enterprise Software / itsm-monitoring

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://otrs.com/release-notes/otrs-security-advisory-2026-06/
otrs.com

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