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CVE-2019-1003019

20
FAUCET Score

CVE-2019-1003019 is a session fixation vulnerability affecting Jenkins GitHub Authentication Plugin versions 0.29 and earlier. This flaw allows an attacker to impersonate another user by controlling their pre-authentication session. Rated Medium severity (CVSS 5.9), it requires high attack complexity but can lead to high integrity impact without user interaction. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.29CPE matchmatch criteria
cpe:2.3:a:jenkins:github_oauth:*:*:*:*:*:jenkins:*:*

CVSS Data

CVSS version used by this source: 3.0

5.9MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.85%
Probability of exploitation in next 30 days
EPSS Percentile
54.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0085 is in the 12th percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

mavenpatch availablevia ghsa
Product: org.jenkins-ci.plugins:github-oauthFixed in: 0.31

Vendor Advisories (1)

mavenGHSA-mcqx-wc2j-qx9vmedium

GitHub Authentication Plugin session fixation vulnerability

May 13, 2022

References

jenkins.io / security/advisory/2019-01-28
Vendor Advisory