CVE-2026-48188

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

CVSS v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://otrs.com/release-notes/otrs-security-advisory-2026-02/	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:otrs:otrs:::::community:::*
	cpe:2.3:a:otrs:otrs::::::::
	cpe:2.3:a:otrs:otrs::::::::

History

15 Jun 2026, 12:45

Type	Values Removed	Values Added
First Time		Otrs Otrs otrs
References	~~() https://otrs.com/release-notes/otrs-security-advisory-2026-02/ -~~	() https://otrs.com/release-notes/otrs-security-advisory-2026-02/ - Vendor Advisory
CPE		cpe:2.3:a:otrs:otrs:::::community:::* cpe:2.3:a:otrs:otrs::::::::

01 Jun 2026, 04:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-01 04:16

Updated : 2026-06-17 10:54

NVD link : CVE-2026-48188

Mitre link : CVE-2026-48188

CVE.ORG link : CVE-2026-48188

JSON object : View

Products Affected

otrs

otrs

CWE

CWE-20

Improper Input Validation

{"id": "CVE-2026-48188", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-48188", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-06-01T13:17:22.840595Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@otrs.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security@otrs.com", "affectedData": [{"vendor": "OTRS AG", "modules": ["Database Layer"], "product": "OTRS", "versions": [{"status": "affected", "version": "7.0.x"}, {"status": "affected", "version": "8.0.x"}, {"status": "affected", "version": "2023.x"}, {"status": "affected", "version": "2024.x"}, {"status": "affected", "version": "2025.x"}, {"status": "affected", "version": "2026.x", "versionType": "patch", "lessThanOrEqual": "2026.3.x"}], "defaultStatus": "affected"}, {"vendor": "OTRS AG", "product": "((OTRS)) Community Edition", "versions": [{"status": "affected", "version": "6.x"}], "defaultStatus": "affected"}]}], "published": "2026-06-01T04:16:22.583", "references": [{"url": "https://otrs.com/release-notes/otrs-security-advisory-2026-02/", "tags": ["Vendor Advisory"], "source": "security@otrs.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@otrs.com", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "An improper Input Validation vulnerability in OTRS or ((OTRS)) Community Edition\u00a0database layer module allows an unauthenticated SQL injection which can lead to an authentication bypass. This issue only affects the system if\u00a0the MySQL/MariaDB server is configured with the NO_BACKSLASH_ESCAPES SQL mode.\n\nThis issue affects OTRS: \n\n * 7.0.X\n * 8.0.X\n * 2023.X\n * 2024.X\n * 2025.X\n * 2026.X before 2026.4.X\n * (OTRS)) Community Edition: 6.0.x\n\nProducts based on the ((OTRS)) Community Edition also very likely to be affected"}], "lastModified": "2026-06-17T10:54:55.027", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:community:*:*:*", "vulnerable": true, "matchCriteriaId": "5421FAF4-D702-4429-A186-6374A4306293", "versionEndIncluding": "6.0.32"}, {"criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "650E99BF-9E05-496F-BD59-5542A95FD221", "versionEndIncluding": "8.0.37", "versionStartIncluding": "7.0.0"}, {"criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "476B2F02-24EA-43BB-BEA8-282D7D71B386", "versionEndExcluding": "2026.4.1", "versionStartIncluding": "2023.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@otrs.com"}