Medium
Security advisory
An session fixation vulnerability exists in Jenkins GitHub Authentication Plugin 0.29 and earlier in GithubSecurityRealm.java that allows unauthorized attackers to impersonate another user if they can control the pre-authentication session.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-1003019
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:23 UTC · Revision 1
Source evidence
An session fixation vulnerability exists in Jenkins GitHub Authentication Plugin 0.29 and earlier in GithubSecurityRealm.java that allows unauthorized attackers to impersonate another user if they can control the pre-authentication session.
osv:CVE-2019-1003019
Complete source record
{
"id": "36a153df8c26be8964f9068e338b6c88fda0bae163f771b4b1f631609dc6a4d5",
"url": "https://osv.dev/vulnerability/CVE-2019-1003019",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-1003019",
"summary": "An session fixation vulnerability exists in Jenkins GitHub Authentication Plugin 0.29 and earlier in GithubSecurityRealm.java that allows unauthorized attackers to impersonate another user if they can control the pre-authentication session.",
"evidence": "osv:CVE-2019-1003019",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2019-1003019",
"aliases": [
"CVE-2019-1003019",
"GHSA-mcqx-wc2j-qx9v"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/jenkinsci/github-oauth-plugin",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "de1f9d9f2ee77d10b1f46c503941d71587001496"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:jenkins:github_oauth:*:*:*:*:*:jenkins:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "0.29"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"github-oauth-0.29",
"github-oauth-0.28.1",
"github-oauth-0.28",
"github-oauth-0.27",
"github-oauth-0.26",
"github-oauth-0.25",
"github-oauth-0.24",
"github-oauth-0.23",
"github-oauth-0.22.3",
"github-oauth-0.22.2",
"github-oauth-0.22.1",
"github-oauth-0.22",
"github-oauth-0.21.2",
"github-oauth-0.21.1",
"github-oauth-0.21",
"github-oauth-0.20",
"github-oauth-0.19",
"github-oauth-0.18",
"github-oauth-0.17",
"github-oauth-0.16",
"github-oauth-0.15",
"github-oauth-0.14",
"github-oauth-0.13.1",
"github-oauth-0.13",
"github-oauth-0.12"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-1003019.json"
}
}
],
"modified": "2026-10-24T10:30:18.235575148Z",
"provider": "osv",
"references": [
"https://jenkins.io/security/advisory/2019-01-28/#SECURITY-797"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2019-1003019",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 429726,
"published_at": "2019-02-06T16:29:00.92+00:00"
}