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CVE-2023-40341

Jenkins Blue Ocean Plugin cross-site request forgery vulnerability

8.8 HighFix available

A cross-site request forgery (CSRF) vulnerability in Jenkins Blue Ocean Plugin 1.27.5 and earlier allows attackers to connect to an attacker-specified URL, capturing GitHub credentials associated with an attacker-specified job.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.62%Up 0.6 points since Aug 18, 2023
90%50%10%1%

What each source reports

NVD Score used 8.8

A cross-site request forgery (CSRF) vulnerability in Jenkins Blue Ocean Plugin 1.27.5 and earlier allows attackers to connect to an attacker-specified URL, capturing GitHub credentials associated with an attacker-specified job.

Record
CVE-2023-40341
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-352
Updated
2026-11-02
CVE List No score

A cross-site request forgery (CSRF) vulnerability in Jenkins Blue Ocean Plugin 1.27.5 and earlier allows attackers to connect to an attacker-specified URL, capturing GitHub credentials associated with an attacker-specified job.

Record
CVE-2023-40341
Updated
2026-11-02
EUVDEUVD-2023-2288 0.0

A cross-site request forgery (CSRF) vulnerability in Jenkins Blue Ocean Plugin 1.27.5 and earlier allows attackers to connect to an attacker-specified URL, capturing GitHub credentials associated with an attacker-specified job.

Record
EUVD-2023-2288
CVSS
0.0 NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-g4pq-p927-7pgg 5.4

Jenkins Blue Ocean Plugin cross-site request forgery vulnerability

Jenkins Blue Ocean Plugin 1.27.5 and earlier does not require POST requests for an HTTP endpoint, resulting in a cross-site request forgery (CSRF) vulnerability.

This vulnerability allows attackers to connect to an attacker-specified URL, capturing GitHub credentials associated with an attacker-specified job.

This issue is due to an incomplete fix of SECURITY-2502.

Blue Ocean Plugin 1.27.5.1 uses the configured SCM URL, instead of a user-specified URL provided as a parameter to the HTTP endpoint.

Record
GHSA-g4pq-p927-7pgg
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Weakness
CWE-352
Updated
2026-11-02
OSV 8.8

A cross-site request forgery (CSRF) vulnerability in Jenkins Blue Ocean Plugin 1.27.5 and earlier allows attackers to connect to an attacker-specified URL, capturing GitHub credentials associated with an attacker-specified job.

Record
CVE-2023-40341
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVGHSA-g4pq-p927-7pgg 5.4

Jenkins Blue Ocean Plugin cross-site request forgery vulnerability

Jenkins Blue Ocean Plugin 1.27.5 and earlier does not require POST requests for an HTTP endpoint, resulting in a cross-site request forgery (CSRF) vulnerability.

This vulnerability allows attackers to connect to an attacker-specified URL, capturing GitHub credentials associated with an attacker-specified job.

This issue is due to an incomplete fix of SECURITY-2502.

Blue Ocean Plugin 1.27.5.1 uses the configured SCM URL, instead of a user-specified URL provided as a parameter to the HTTP endpoint.

Record
GHSA-g4pq-p927-7pgg
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Weakness
CWE-352
Updated
2026-11-02
OSVRHSA-2024:0777 9.8

Red Hat Security Advisory: jenkins and jenkins-2-plugins security update

Record
RHSA-2024:0777
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2024:0778 9.8

Red Hat Security Advisory: Jenkins and Jenkins-2-plugins security update

Record
RHSA-2024:0778
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
io.jenkins.blueocean:blueocean
Maven
 before 1.27.5.1
1.27.5.1
io.jenkins.blueocean:blueocean
Maven
 before 1.27.5.1, plus listed versions
1.0-alpha-11.0-alpha-21.0-alpha-31.0-alpha-41.0-alpha-5
Show 45 moreShow less
1.0-alpha-61.0-alpha-71.0-alpha-81.0-alpha-91.0.01.0.0-b011.0.0-b021.0.0-b031.0.0-b041.0.0-b051.0.0-b061.0.0-b071.0.0-b081.0.0-b091.0.0-b101.0.0-b111.0.0-b121.0.0-b131.0.0-b141.0.0-b151.0.0-b161.0.0-b171.0.0-b181.0.0-b191.0.0-b19-beta-11.0.0-b201.0.0-b20-beta-11.0.0-b211.0.0-b21-beta-11.0.0-b221.0.0-b231.0.0-b241.0.0-b251.0.0-rc11.0.0-rc21.0.0-rc31.0.0-rc41.0.11.1.01.1.0-beta-11.1.0-beta-21.1.0-beta-41.1.0-beta-81.1.0-beta-91.1.1
1.27.5.1
jenkins-2-plugins
Red Hat:ocp_tools:4.14::el8
From an advisory covering 17 CVEs
 before 0:4.14.1706516441-1.el8
0:4.14.1706516441-1.el8
jenkins
Red Hat:ocp_tools:4.14::el8
From an advisory covering 17 CVEs
 before 0:2.426.3.1706516352-3.el8
0:2.426.3.1706516352-3.el8
jenkins-2-plugins
Red Hat:ocp_tools:4.12::el8
From an advisory covering 24 CVEs
 before 0:4.12.1706515741-1.el8
0:4.12.1706515741-1.el8
jenkins
Red Hat:ocp_tools:4.12::el8
From an advisory covering 24 CVEs
 before 0:2.426.3.1706515686-3.el8
0:2.426.3.1706515686-3.el8

History

History
RecordedChangedSources
affected, facts
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-40341 is a high vulnerability (CVSS 8.8) in Jenkins Blue Ocean, published August 16, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.62%, the 50th percentile. Fixed in io.jenkins.blueocean:blueocean 1.27.5.1.

References

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