CVE-2026-48187 | BDVDB-2026-337126 Detail

OTRSOTRS

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

Impact#

CAPEC-130 Excessive Allocation

Weaknesses#

CWE-400 Uncontrolled Resource Consumption
CWE-770 Allocation of Resources Without Limits or Throttling

References#

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

Exploit#

No public exploit known

History#

Version 12026-06-01Record published in the CVE List.

Published

Published: 2026-06-01
Last modified: 2026-06-01

Vendor information

Vendor: OTRS
Product: OTRS

All OTRS vulnerabilities

Score

5.7 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 8.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Denial of Service

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
7.0.x
Fixed
Not stated
Vulnerable
8.0.x
Fixed
Not stated
Vulnerable
2023.x
Fixed
Not stated
Vulnerable
2024.x
Fixed
Not stated
Vulnerable
2025.x
Fixed
Not stated
Vulnerable
>= 2026.x and <= 2026.3.x
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.7 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).