UBUNTU-CVE-2026-44229 (CVE-2026-44229)
Vulnerability from osv_ubuntu – Published: 2026-05-21 00:00 – Updated: 2026-07-29 07:57 – Source websiteRT is an open source, enterprise-grade issue and ticket tracking system. Versions 5.0.0 and 6.0.0 and above, prior to both 5.0.10 and 6.0.3 contain a Cross-Site Scripting (XSS) vulnerability where uploaded content is served inline rather than as an attachment. An authenticated user who can upload content can include JavaScript in the upload that will execute in the browser session of any RT user who later views or downloads it. This issue has been fixed in versions 5.0.10 and 6.0.3.
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "request-tracker4",
"binary_version": "4.2.12-5"
},
{
"binary_name": "rt4-apache2",
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},
{
"binary_name": "rt4-clients",
"binary_version": "4.2.12-5"
},
{
"binary_name": "rt4-db-mysql",
"binary_version": "4.2.12-5"
},
{
"binary_name": "rt4-db-postgresql",
"binary_version": "4.2.12-5"
},
{
"binary_name": "rt4-db-sqlite",
"binary_version": "4.2.12-5"
},
{
"binary_name": "rt4-doc-html",
"binary_version": "4.2.12-5"
},
{
"binary_name": "rt4-fcgi",
"binary_version": "4.2.12-5"
},
{
"binary_name": "rt4-standalone",
"binary_version": "4.2.12-5"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "request-tracker4",
"purl": "pkg:deb/ubuntu/request-tracker4@4.2.12-5?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
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}
],
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}
],
"versions": [
"4.2.11-2",
"4.2.12-3",
"4.2.12-4",
"4.2.12-5"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "request-tracker4",
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},
{
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},
{
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"binary_version": "4.4.2-2ubuntu0.1~esm1"
},
{
"binary_name": "rt4-db-mysql",
"binary_version": "4.4.2-2ubuntu0.1~esm1"
},
{
"binary_name": "rt4-db-postgresql",
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},
{
"binary_name": "rt4-db-sqlite",
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},
{
"binary_name": "rt4-doc-html",
"binary_version": "4.4.2-2ubuntu0.1~esm1"
},
{
"binary_name": "rt4-fcgi",
"binary_version": "4.4.2-2ubuntu0.1~esm1"
},
{
"binary_name": "rt4-standalone",
"binary_version": "4.4.2-2ubuntu0.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "request-tracker4",
"purl": "pkg:deb/ubuntu/request-tracker4@4.4.2-2ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/bionic"
},
"ranges": [
{
"events": [
{
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"versions": [
"4.4.1-5",
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"4.4.2-2",
"4.4.2-2ubuntu0.1~esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "request-tracker4",
"binary_version": "4.4.3-2+deb10u3build0.20.04.1"
},
{
"binary_name": "rt4-apache2",
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},
{
"binary_name": "rt4-clients",
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{
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{
"binary_name": "rt4-db-postgresql",
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},
{
"binary_name": "rt4-db-sqlite",
"binary_version": "4.4.3-2+deb10u3build0.20.04.1"
},
{
"binary_name": "rt4-doc-html",
"binary_version": "4.4.3-2+deb10u3build0.20.04.1"
},
{
"binary_name": "rt4-fcgi",
"binary_version": "4.4.3-2+deb10u3build0.20.04.1"
},
{
"binary_name": "rt4-standalone",
"binary_version": "4.4.3-2+deb10u3build0.20.04.1"
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"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "request-tracker4",
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},
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{
"events": [
{
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},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "request-tracker4",
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},
{
"binary_name": "rt4-apache2",
"binary_version": "4.4.4+dfsg-2ubuntu1.22.04.1"
},
{
"binary_name": "rt4-clients",
"binary_version": "4.4.4+dfsg-2ubuntu1.22.04.1"
},
{
"binary_name": "rt4-db-mysql",
"binary_version": "4.4.4+dfsg-2ubuntu1.22.04.1"
},
{
"binary_name": "rt4-db-postgresql",
"binary_version": "4.4.4+dfsg-2ubuntu1.22.04.1"
},
{
"binary_name": "rt4-db-sqlite",
"binary_version": "4.4.4+dfsg-2ubuntu1.22.04.1"
},
{
"binary_name": "rt4-doc-html",
"binary_version": "4.4.4+dfsg-2ubuntu1.22.04.1"
},
{
"binary_name": "rt4-fcgi",
"binary_version": "4.4.4+dfsg-2ubuntu1.22.04.1"
},
{
"binary_name": "rt4-standalone",
"binary_version": "4.4.4+dfsg-2ubuntu1.22.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "request-tracker4",
"purl": "pkg:deb/ubuntu/request-tracker4@4.4.4+dfsg-2ubuntu1.22.04.1?arch=source\u0026distro=jammy"
},
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]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "request-tracker5",
"binary_version": "5.0.1+dfsg-1ubuntu1+esm2"
},
{
"binary_name": "rt5-apache2",
"binary_version": "5.0.1+dfsg-1ubuntu1+esm2"
},
{
"binary_name": "rt5-clients",
"binary_version": "5.0.1+dfsg-1ubuntu1+esm2"
},
{
"binary_name": "rt5-db-mysql",
"binary_version": "5.0.1+dfsg-1ubuntu1+esm2"
},
{
"binary_name": "rt5-db-postgresql",
"binary_version": "5.0.1+dfsg-1ubuntu1+esm2"
},
{
"binary_name": "rt5-db-sqlite",
"binary_version": "5.0.1+dfsg-1ubuntu1+esm2"
},
{
"binary_name": "rt5-doc-html",
"binary_version": "5.0.1+dfsg-1ubuntu1+esm2"
},
{
"binary_name": "rt5-fcgi",
"binary_version": "5.0.1+dfsg-1ubuntu1+esm2"
},
{
"binary_name": "rt5-standalone",
"binary_version": "5.0.1+dfsg-1ubuntu1+esm2"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:22.04:LTS",
"name": "request-tracker5",
"purl": "pkg:deb/ubuntu/request-tracker5@5.0.1+dfsg-1ubuntu1+esm2?arch=source\u0026distro=esm-apps/jammy"
},
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}
],
"versions": [
"5.0.1+dfsg-1ubuntu1",
"5.0.1+dfsg-1ubuntu1+esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "request-tracker4",
"binary_version": "4.4.7+dfsg-1"
},
{
"binary_name": "rt4-apache2",
"binary_version": "4.4.7+dfsg-1"
},
{
"binary_name": "rt4-clients",
"binary_version": "4.4.7+dfsg-1"
},
{
"binary_name": "rt4-db-mysql",
"binary_version": "4.4.7+dfsg-1"
},
{
"binary_name": "rt4-db-postgresql",
"binary_version": "4.4.7+dfsg-1"
},
{
"binary_name": "rt4-db-sqlite",
"binary_version": "4.4.7+dfsg-1"
},
{
"binary_name": "rt4-doc-html",
"binary_version": "4.4.7+dfsg-1"
},
{
"binary_name": "rt4-fcgi",
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"4.4.4+dfsg-2ubuntu2",
"4.4.7+dfsg-1"
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},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "request-tracker5",
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},
{
"binary_name": "rt5-apache2",
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{
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},
{
"binary_name": "rt5-doc-html",
"binary_version": "5.0.5+dfsg-2ubuntu0.1~esm2"
},
{
"binary_name": "rt5-fcgi",
"binary_version": "5.0.5+dfsg-2ubuntu0.1~esm2"
},
{
"binary_name": "rt5-standalone",
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"name": "request-tracker5",
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},
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],
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}
],
"versions": [
"5.0.1+dfsg-1ubuntu1",
"5.0.5+dfsg-2",
"5.0.5+dfsg-2ubuntu0.1~esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "request-tracker4",
"binary_version": "4.4.7+dfsg-4syncable1"
},
{
"binary_name": "rt4-apache2",
"binary_version": "4.4.7+dfsg-4syncable1"
},
{
"binary_name": "rt4-clients",
"binary_version": "4.4.7+dfsg-4syncable1"
},
{
"binary_name": "rt4-db-mysql",
"binary_version": "4.4.7+dfsg-4syncable1"
},
{
"binary_name": "rt4-db-postgresql",
"binary_version": "4.4.7+dfsg-4syncable1"
},
{
"binary_name": "rt4-db-sqlite",
"binary_version": "4.4.7+dfsg-4syncable1"
},
{
"binary_name": "rt4-doc-html",
"binary_version": "4.4.7+dfsg-4syncable1"
},
{
"binary_name": "rt4-fcgi",
"binary_version": "4.4.7+dfsg-4syncable1"
},
{
"binary_name": "rt4-standalone",
"binary_version": "4.4.7+dfsg-4syncable1"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "request-tracker4",
"purl": "pkg:deb/ubuntu/request-tracker4@4.4.7+dfsg-4syncable1?arch=source\u0026distro=questing"
},
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{
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],
"versions": [
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},
{
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"binaries": [
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"binary_name": "request-tracker5",
"binary_version": "5.0.7+dfsg-4"
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{
"binary_name": "rt5-apache2",
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{
"binary_name": "rt5-clients",
"binary_version": "5.0.7+dfsg-4"
},
{
"binary_name": "rt5-db-mysql",
"binary_version": "5.0.7+dfsg-4"
},
{
"binary_name": "rt5-db-postgresql",
"binary_version": "5.0.7+dfsg-4"
},
{
"binary_name": "rt5-db-sqlite",
"binary_version": "5.0.7+dfsg-4"
},
{
"binary_name": "rt5-doc-html",
"binary_version": "5.0.7+dfsg-4"
},
{
"binary_name": "rt5-fcgi",
"binary_version": "5.0.7+dfsg-4"
},
{
"binary_name": "rt5-standalone",
"binary_version": "5.0.7+dfsg-4"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "request-tracker5",
"purl": "pkg:deb/ubuntu/request-tracker5@5.0.7+dfsg-4?arch=source\u0026distro=questing"
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"5.0.7+dfsg-2",
"5.0.7+dfsg-3",
"5.0.7+dfsg-4"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "request-tracker4",
"binary_version": "4.4.7+dfsg-4syncable1"
},
{
"binary_name": "rt4-apache2",
"binary_version": "4.4.7+dfsg-4syncable1"
},
{
"binary_name": "rt4-clients",
"binary_version": "4.4.7+dfsg-4syncable1"
},
{
"binary_name": "rt4-db-mysql",
"binary_version": "4.4.7+dfsg-4syncable1"
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{
"binary_name": "rt4-db-postgresql",
"binary_version": "4.4.7+dfsg-4syncable1"
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{
"binary_name": "rt4-db-sqlite",
"binary_version": "4.4.7+dfsg-4syncable1"
},
{
"binary_name": "rt4-doc-html",
"binary_version": "4.4.7+dfsg-4syncable1"
},
{
"binary_name": "rt4-fcgi",
"binary_version": "4.4.7+dfsg-4syncable1"
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{
"binary_name": "rt4-standalone",
"binary_version": "4.4.7+dfsg-4syncable1"
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]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "request-tracker4",
"purl": "pkg:deb/ubuntu/request-tracker4@4.4.7+dfsg-4syncable1?arch=source\u0026distro=resolute"
},
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},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "request-tracker5",
"binary_version": "5.0.7+dfsg-6ubuntu0.1~esm1"
},
{
"binary_name": "rt5-apache2",
"binary_version": "5.0.7+dfsg-6ubuntu0.1~esm1"
},
{
"binary_name": "rt5-clients",
"binary_version": "5.0.7+dfsg-6ubuntu0.1~esm1"
},
{
"binary_name": "rt5-db-mysql",
"binary_version": "5.0.7+dfsg-6ubuntu0.1~esm1"
},
{
"binary_name": "rt5-db-postgresql",
"binary_version": "5.0.7+dfsg-6ubuntu0.1~esm1"
},
{
"binary_name": "rt5-db-sqlite",
"binary_version": "5.0.7+dfsg-6ubuntu0.1~esm1"
},
{
"binary_name": "rt5-doc-html",
"binary_version": "5.0.7+dfsg-6ubuntu0.1~esm1"
},
{
"binary_name": "rt5-fcgi",
"binary_version": "5.0.7+dfsg-6ubuntu0.1~esm1"
},
{
"binary_name": "rt5-standalone",
"binary_version": "5.0.7+dfsg-6ubuntu0.1~esm1"
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]
},
"package": {
"ecosystem": "Ubuntu:Pro:26.04:LTS",
"name": "request-tracker5",
"purl": "pkg:deb/ubuntu/request-tracker5@5.0.7+dfsg-6ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/resolute"
},
"ranges": [
{
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{
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},
{
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],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.0.7+dfsg-4",
"5.0.7+dfsg-6"
]
}
],
"aliases": [],
"details": "RT is an open source, enterprise-grade issue and ticket tracking system. Versions 5.0.0 and 6.0.0 and above, prior to both 5.0.10 and 6.0.3 contain a Cross-Site Scripting (XSS) vulnerability where uploaded content is served inline rather than as an attachment. An authenticated user who can upload content can include JavaScript in the upload that will execute in the browser session of any RT user who later views or downloads it. This issue has been fixed in versions 5.0.10 and 6.0.3.",
"id": "UBUNTU-CVE-2026-44229",
"modified": "2026-07-29T07:57:01Z",
"published": "2026-05-21T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-44229"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-44229"
},
{
"type": "REPORT",
"url": "https://github.com/bestpractical/rt/releases/tag/rt-5.0.10"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-8506-1"
}
],
"related": [
"USN-8506-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2026-44229"
]
}
Sightings
| Author | Source | Type | Date | Other |
|---|
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.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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