CVE-2026-48187 (GCVE-0-2026-48187)
Vulnerability from cvelistv5 – Published: 2026-06-01 03:33 – Updated: 2026-06-01 13:17
VLAI?
Title
Email with special content can lead to DoS
Summary
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
Severity ?
5.7 (Medium)
CWE
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| OTRS AG | OTRS |
Unknown:
7.0.x
Affected: 8.0.x Affected: 2023.x Affected: 2024.x Affected: 2025.x Affected: 2026.x , ≤ 2026.3.x (patch) |
|||||||
|
|||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-48187",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-01T13:16:53.155447Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-06-01T13:17:04.742Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unknown",
"modules": [
"Mail Backend"
],
"product": "OTRS",
"vendor": "OTRS AG",
"versions": [
{
"status": "unknown",
"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"
},
{
"lessThanOrEqual": "2026.3.x",
"status": "affected",
"version": "2026.x",
"versionType": "patch"
}
]
},
{
"defaultStatus": "unknown",
"product": "((OTRS)) Community Edition",
"vendor": "OTRS AG",
"versions": [
{
"status": "unknown",
"version": "6.x"
}
]
}
],
"datePublic": "2026-06-01T07:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "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.\u003cp\u003eThis issue affects OTRS:\u003c/p\u003e\u003cul\u003e\u003cli\u003e8.0.X\u003c/li\u003e\u003cli\u003e2023.X\u003c/li\u003e\u003cli\u003e2024.X\u003c/li\u003e\u003cli\u003e2025.X\u003c/li\u003e\u003cli\u003e2026.X before 2026.4.X\u003c/li\u003e\u003c/ul\u003ePlease note that ((OTRS)) Community Edition 6.x, OTRS 7.x and products based on the ((OTRS)) Community Edition also very likely to be affected"
}
],
"value": "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:\n\n * 8.0.X\n * 2023.X\n * 2024.X\n * 2025.X\n * 2026.X before 2026.4.X\n\nPlease note that ((OTRS)) Community Edition 6.x, OTRS 7.x and products based on the ((OTRS)) Community Edition also very likely to be affected"
}
],
"impacts": [
{
"capecId": "CAPEC-130",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-130 Excessive Allocation"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 5.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-400",
"description": "CWE-400 Uncontrolled Resource Consumption",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-770",
"description": "CWE-770 Allocation of Resources Without Limits or Throttling",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-01T03:33:23.990Z",
"orgId": "2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8",
"shortName": "OTRS"
},
"references": [
{
"url": "https://otrs.com/release-notes/otrs-security-advisory-2026-06/"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Update to OTRS 2026.4.1. or later. Please note that there will be no OTRS 7 patches\u003cbr\u003e"
}
],
"value": "Update to OTRS 2026.4.1. or later. Please note that there will be no OTRS 7 patches"
}
],
"source": {
"advisory": "OSA-2026-06",
"defect": [
"Ticket#2026052110000214",
"Issue#3890"
],
"discovery": "USER"
},
"title": "Email with special content can lead to DoS",
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8",
"assignerShortName": "OTRS",
"cveId": "CVE-2026-48187",
"datePublished": "2026-06-01T03:33:23.990Z",
"dateReserved": "2026-05-21T07:53:13.253Z",
"dateUpdated": "2026-06-01T13:17:04.742Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…