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HIGH severity

CVE-2018-1000418 — hipchat

HIGH

CVE-2018-1000418 is a high-severity (CVSS 8.8) CWE-863 vulnerability in org.jvnet.hudson.plugins:hipchat. A fix is available for org.jvnet.hudson.plugins:hipchat — see the affected versions and patch details below.

Jenkins HipChat Plugin allows credential capture due to incorrect authorization

Also known asGHSA-w3f7-2qfw-348x
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Oct 23, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.1%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs64th percentile — riskier than 64% of all scored CVEsHighest risk
0.00%0.52%1.04%1.56%0.2%1.1%Apr 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
☕org.jvnet.hudson.plugins:hipchat

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

An improper authorization vulnerability exists in Jenkins HipChat Plugin 2.2.0 and earlier in HipChatNotifier.java that allows attackers with Overall/Read access to send test notifications to an attacker-specified HipChat server with attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins. As of version 2.2.1, this form validation method requires POST requests and Overall/Administer permissions.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.jvnet.hudson.plugins:hipchatall versions2.2.1org.jvnet.hudson.plugins:hipchat:2.2.1

Affected Products

1 product · 1 configurations
Application
hipchatatlassian
≤ 2.2.0
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.jvnet.hudson.plugins:hipchat, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.jvnet.hudson.plugins:hipchat to 2.2.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2018-1000418 is resolved across your whole dependency graph.

  3. Workarounds

    Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.

Frequently Asked Questions

An improper authorization vulnerability exists in Jenkins HipChat Plugin 2.2.0 and earlier in HipChatNotifier.java that allows attackers with Overall/Read access to send test notifications to an attacker-specified HipChat server with attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins. As of version 2.2.1, this form validation method requires POST requests and Overall/Administer permissions.
O3 Security · Impact-Aware SCA

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CVE-2018-1000418: hipchat — Fixed in 2.2.1