CVE-2018-1000418 — 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

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HIGH

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

Published Jan 9, 2019

8.8

HIGH

CVSS 3.0

EPSS 1.06%

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.06% 0.01064

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01064

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.06% (0.01064)	63.42th	v5 (v2026.06.15)
Sep 20, 2026	1.06% (0.01064)	63.19th	v5 (v2026.06.15)
Jul 20, 2024	0.10% (0.00095)	40.55th	v3 (v2023.03.01)
Nov 8, 2023	0.10% (0.00095)	39.76th	v3 (v2023.03.01)
Mar 7, 2023	0.13% (0.00127)	45.56th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)
Feb 3, 2022	0.62% (0.00624)	17.80th	v5 (v2026.06.15)
Apr 14, 2021	0.62% (0.00624)	0.00th	v1

Weaknesses (1)

CWE-863

Incorrect Authorization

References (5)

http://www.securityfocus.com/bid/106532
vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://github.com/advisories/GHSA-w3f7-2qfw-348x
Advisory
https://jenkins.io/security/advisory/2018-09-25/#SECURITY-984%20%281%29
x_refsource_CONFIRM
https://jenkins.io/security/advisory/2018-09-25/#SECURITY-984%20(1)
https://nvd.nist.gov/vuln/detail/CVE-2018-1000418

Link	Providers	Tags
http://www.securityfocus.com/bid/106532		vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://github.com/advisories/GHSA-w3f7-2qfw-348x		Advisory
https://jenkins.io/security/advisory/2018-09-25/#SECURITY-984%20%281%29		x_refsource_CONFIRM
https://jenkins.io/security/advisory/2018-09-25/#SECURITY-984%20(1)
https://nvd.nist.gov/vuln/detail/CVE-2018-1000418