How severe is CVE-2018-1000186?

CVE-2018-1000186 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-1000186 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1000186?

CVE-2018-1000186 affects Jenkins Github Pull Request Builder. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1000186?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-1000186 published?

CVE-2018-1000186 was published on 2018-06-05 and last updated on 2026-06-17.

CVE-2018-1000186

CVE-2018-1000186 is a medium-severity vulnerability in Jenkins Github Pull Request Builder with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Jenkins Github Pull Request Builder
Published: 2018-06-05
Last modified: 2026-06-17

Description

A exposure of sensitive information vulnerability exists in Jenkins GitHub Pull Request Builder Plugin 1.41.0 and older in GhprbGitHubAuth.java that allows attackers with Overall/Read access to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.

Frequently asked questions

What is CVE-2018-1000186?: A exposure of sensitive information vulnerability exists in Jenkins GitHub Pull Request Builder Plugin 1.41.0 and older in GhprbGitHubAuth.java that allows attackers with Overall/Read access to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.
How severe is CVE-2018-1000186?: CVE-2018-1000186 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-1000186 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1000186?: CVE-2018-1000186 affects Jenkins Github Pull Request Builder. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1000186?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1000186 published?: CVE-2018-1000186 was published on 2018-06-05 and last updated on 2026-06-17.

References

https://jenkins.io/security/advisory/2018-06-04/#SECURITY-805

Affected products (1)

cpe:2.3:a:jenkins:github_pull_request_builder:*:*:*:*:*:jenkins:*:*

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