OTRS Community Edition up to 2026.3.x input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability was found in OTRS Community Edition up to 2026.3.x and classified as critical. This issue affects some unknown processing. The manipulation results in input validation. This vulnerability is reported as CVE-2026-48188. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in OTRS Community Edition up to 2026.3.x. It has been classified as critical. Affected is an unknown code. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An improper Input Validation vulnerability in OTRS or ((OTRS)) Community Edition database layer module allows an unauthenticated SQL injection which can lead to an authentication bypass. This issue only affects the system if the MySQL/MariaDB server is configured with the NO_BACKSLASH_ESCAPES SQL mode. This issue affects OTRS: * 7.0.X * 8.0.X * 2023.X * 2024.X * 2025.X * 2026.X before 2026.4.X * (OTRS)) Community Edition: 6.0.x Products based on the ((OTRS)) Community Edition also very likely to be affected

The advisory is available at otrs.com. This vulnerability is traded as CVE-2026-48188 since 05/21/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.1
CNA Vector (OTRS): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/21/2026 CVE reserved
06/01/2026 +11 days Advisory disclosed
06/01/2026 +0 days VulDB entry created
06/01/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: otrs.com
Status: Confirmed

CVE: CVE-2026-48188 (🔒)
GCVE (CVE): GCVE-0-2026-48188
GCVE (VulDB): GCVE-100-367602

Entryinfo

Created: 06/01/2026 07:57
Changes: 06/01/2026 07:57 (62)
Complete: 🔍
Cache ID: 216::103

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