MediumFix available
resteasy, resteasy3.0 — security advisory
A cross-site scripting (XSS) flaw was found in RESTEasy in versions before 3.11.1.Final and before 4.5.3.Final, where it did not properly handle URL encoding when the RESTEASY003870 exception occurs. An attacker could use this flaw to launch a reflected XSS attack.
- Products
- resteasy, resteasy3.0
- Affected versions
- 3.0.19-1, 3.0.19-2, 3.0.26-1, 3.0.26-1~18.04, 3.0.26-2, 3.0.26-3, 3.0.6-3, 3.6.2-2, 3.6.2-3, 3.6.2-4
- Fixed versions
- 3.0.26-1ubuntu0.1~esm1, 3.0.26-1~18.04.1~esm1, 3.0.26-3ubuntu0.1, 3.0.6-3ubuntu0.1~esm1, 3.6.2-2ubuntu0.20.04.1~esm1, 3.6.2-2ubuntu0.22.04.1~esm1, 3.6.2-2ubuntu0.24.04.1~esm1
- CVEs
- CVE-2020-10688
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:51 UTC · Revision 1
Source evidence
A cross-site scripting (XSS) flaw was found in RESTEasy in versions before 3.11.1.Final and before 4.5.3.Final, where it did not properly handle URL encoding when the RESTEASY003870 exception occurs. An attacker could use this flaw to launch a reflected XSS attack.
osv:UBUNTU-CVE-2020-10688
resteasy
Fixed versions: 3.0.6-3ubuntu0.1~esm1
resteasy3.0
Fixed versions: 3.0.26-1~18.04.1~esm1
resteasy
Fixed versions: 3.6.2-2ubuntu0.20.04.1~esm1
resteasy3.0
Fixed versions: 3.0.26-1ubuntu0.1~esm1
resteasy3.0
Fixed versions: 3.0.26-3ubuntu0.1
resteasy
Fixed versions: 3.6.2-2ubuntu0.22.04.1~esm1
resteasy
Fixed versions: 3.6.2-2ubuntu0.24.04.1~esm1
resteasy
Fixed versions: Not specified
resteasy
Fixed versions: Not specified
resteasy
Fixed versions: Not specified
Complete source record
{
"id": "1cbc93f25b039e6dc79dcd0250ce5d593556a947d77c10f4a86a13735da183b5",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-10688",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2020-10688",
"summary": "A cross-site scripting (XSS) flaw was found in RESTEasy in versions before 3.11.1.Final and before 4.5.3.Final, where it did not properly handle URL encoding when the RESTEASY003870 exception occurs. An attacker could use this flaw to launch a reflected XSS attack.",
"evidence": "osv:UBUNTU-CVE-2020-10688",
"products": [
{
"name": {
"value": "resteasy",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.0.6-3ubuntu0.1~esm1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "3.0.6-3",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "resteasy3.0",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.0.26-1~18.04.1~esm1",
"evidence": "/affected/1/ranges"
}
],
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{
"value": "3.0.19-1",
"evidence": "/affected/1/versions"
},
{
"value": "3.0.19-2",
"evidence": "/affected/1/versions"
},
{
"value": "3.0.26-1~18.04",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
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},
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{
"value": "3.6.2-2ubuntu0.20.04.1~esm1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": [
{
"value": "3.6.2-2",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "resteasy3.0",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.0.26-1ubuntu0.1~esm1",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": [
{
"value": "3.0.26-1",
"evidence": "/affected/3/versions"
}
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},
{
"name": {
"value": "resteasy3.0",
"evidence": "/affected/4/package/name"
},
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"fixed_versions": [
{
"value": "3.0.26-3ubuntu0.1",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": [
{
"value": "3.0.26-2",
"evidence": "/affected/4/versions"
},
{
"value": "3.0.26-3",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "resteasy",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.6.2-2ubuntu0.22.04.1~esm1",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": [
{
"value": "3.6.2-2",
"evidence": "/affected/5/versions"
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]
},
{
"name": {
"value": "resteasy",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.6.2-2ubuntu0.24.04.1~esm1",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": [
{
"value": "3.6.2-2",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
"value": "resteasy",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.6.2-3",
"evidence": "/affected/7/versions"
}
]
},
{
"name": {
"value": "resteasy",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.6.2-4",
"evidence": "/affected/8/versions"
}
]
},
{
"name": {
"value": "resteasy",
"evidence": "/affected/9/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.6.2-3",
"evidence": "/affected/9/versions"
},
{
"value": "3.6.2-4",
"evidence": "/affected/9/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2020-10688",
"aliases": [
"UBUNTU-CVE-2020-10688"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.0.6-3ubuntu0.1~esm1"
}
]
}
],
"package": {
"name": "resteasy",
"purl": "pkg:deb/ubuntu/resteasy?arch=source&distro=esm-apps%2Fxenial",
"ecosystem": "Ubuntu:Pro:16.04:LTS"
},
"versions": [
"3.0.6-3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-10688.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libresteasy-java",
"binary_version": "3.0.6-3ubuntu0.1~esm1"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.0.26-1~18.04.1~esm1"
}
]
}
],
"package": {
"name": "resteasy3.0",
"purl": "pkg:deb/ubuntu/resteasy3.0?arch=source&distro=esm-apps%2Fbionic",
"ecosystem": "Ubuntu:Pro:18.04:LTS"
},
"versions": [
"3.0.19-1",
"3.0.19-2",
"3.0.26-1~18.04"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-10688.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libresteasy3.0-java",
"binary_version": "3.0.26-1~18.04.1~esm1"
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],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.6.2-2ubuntu0.20.04.1~esm1"
}
]
}
],
"package": {
"name": "resteasy",
"purl": "pkg:deb/ubuntu/resteasy?arch=source&distro=esm-apps%2Ffocal",
"ecosystem": "Ubuntu:Pro:20.04:LTS"
},
"versions": [
"3.6.2-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-10688.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libresteasy-java",
"binary_version": "3.6.2-2ubuntu0.20.04.1~esm1"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.0.26-1ubuntu0.1~esm1"
}
]
}
],
"package": {
"name": "resteasy3.0",
"purl": "pkg:deb/ubuntu/resteasy3.0?arch=source&distro=esm-apps%2Ffocal",
"ecosystem": "Ubuntu:Pro:20.04:LTS"
},
"versions": [
"3.0.26-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-10688.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libresteasy3.0-java",
"binary_version": "3.0.26-1ubuntu0.1~esm1"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.0.26-3ubuntu0.1"
}
]
}
],
"package": {
"name": "resteasy3.0",
"purl": "pkg:deb/ubuntu/resteasy3.0?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"3.0.26-2",
"3.0.26-3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-10688.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libresteasy3.0-java",
"binary_version": "3.0.26-3ubuntu0.1"
}
],
"availability": "No subscription required"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
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{
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],
"package": {
"name": "resteasy",
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],
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"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-10688.json"
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"ecosystem_specific": {
"binaries": [
{
"binary_name": "libresteasy-java",
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"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
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{
"ranges": [
{
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"package": {
"name": "resteasy",
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"ecosystem": "Ubuntu:Pro:24.04:LTS"
},
"versions": [
"3.6.2-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-10688.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libresteasy-java",
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},
{
"ranges": [
{
"type": "ECOSYSTEM",
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{
"introduced": "0"
}
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}
],
"package": {
"name": "resteasy",
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"ecosystem": "Ubuntu:25.10"
},
"versions": [
"3.6.2-3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-10688.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libresteasy-java",
"binary_version": "3.6.2-3"
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]
}
},
{
"ranges": [
{
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{
"introduced": "0"
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],
"package": {
"name": "resteasy",
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"ecosystem": "Ubuntu:26.10"
},
"versions": [
"3.6.2-4"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-10688.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libresteasy-java",
"binary_version": "3.6.2-4"
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]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "resteasy",
"purl": "pkg:deb/ubuntu/resteasy?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"3.6.2-3",
"3.6.2-4"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-10688.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libresteasy-java",
"binary_version": "3.6.2-4"
}
]
}
}
],
"modified": "2026-10-17T12:56:09.913475499Z",
"provider": "osv",
"upstream": [
"CVE-2020-10688"
],
"references": [
"https://ubuntu.com/security/CVE-2020-10688",
"https://bugzilla.redhat.com/show_bug.cgi?id=1814974",
"https://github.com/quarkusio/quarkus/issues/7248",
"https://issues.redhat.com/browse/RESTEASY-2519",
"https://www.cve.org/CVERecord?id=CVE-2020-10688",
"https://ubuntu.com/security/notices/USN-7351-1",
"https://ubuntu.com/security/notices/USN-7630-1"
]
},
"related_cves": [
{
"value": "CVE-2020-10688",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 354905,
"published_at": "2021-05-27T19:15:00+00:00"
}