How severe is CVE-2026-57285?

CVE-2026-57285 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-57285 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-57285?

CVE-2026-57285 affects Jenkins Github Branch Source. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-57285?

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

Does CVE-2026-57285 have an EU (EUVD) identifier?

Yes. CVE-2026-57285 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38765.

When was CVE-2026-57285 published?

CVE-2026-57285 was published on 2026-06-24 and last updated on 2026-06-26.

CVE-2026-57285

CVE-2026-57285 is a medium-severity vulnerability in Jenkins Github Branch Source with a CVSS 3.x base score of 4.3. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38765
Weakness: CWE-862
Affected product: Jenkins Github Branch Source
Published: 2026-06-24
Last modified: 2026-06-26

Description

A missing permission check in Jenkins GitHub Branch Source Plugin 1967.1969.v205fd594c821 and earlier allows attackers with Overall/Read permission to obtain the URLs of GitHub Enterprise servers configured in the global plugin configuration.

Frequently asked questions

What is CVE-2026-57285?: A missing permission check in Jenkins GitHub Branch Source Plugin 1967.1969.v205fd594c821 and earlier allows attackers with Overall/Read permission to obtain the URLs of GitHub Enterprise servers configured in the global plugin configuration.
How severe is CVE-2026-57285?: CVE-2026-57285 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-57285 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-57285?: CVE-2026-57285 affects Jenkins Github Branch Source. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-57285?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-57285 have an EU (EUVD) identifier?: Yes. CVE-2026-57285 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38765.
When was CVE-2026-57285 published?: CVE-2026-57285 was published on 2026-06-24 and last updated on 2026-06-26.

References

https://www.jenkins.io/security/advisory/2026-06-24/#SECURITY-3808

Affected products (1)

cpe:2.3:a:jenkins:github_branch_source:*:*:*:*:*:jenkins:*:*

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