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.
CVE-2023-40341
This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 0.5%, top 34% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 8.8
- EG Score
- 8.8(medium)
- EPSS
- 41.4%
- KEV
- Not listed
Published
August 16, 2023
Last Modified
November 21, 2024
References (4)
- jenkinsci-cert@googlegroupshttp://www.openwall.com/lists/oss-security/2023/08/16/3
- jenkinsci-cert@googlegroupshttps://www.jenkins.io/security/advisory/2023-08-16/#SECURITY-3116
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2023/08/16/3
- af854a3a-2127-422b-91ae-364da2661108https://www.jenkins.io/security/advisory/2023-08-16/#SECURITY-3116
Vendor Advisories for CVE-2023-40341(2)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(2)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | jenkins-2-plugins-0:4.12.1706515741-1.el8 | 2024-02-12 | redhat |
| redhat | jenkins-2-plugins-0:4.14.1706516441-1.el8 | 2024-02-12 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
Maven(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| io.jenkins.blueocean:blueocean | 1.0-alpha-1 ... 1.9.1 (160 versions) | 1.27.5.1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 47× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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- 2026-05-24 19:14 UTCVendor advisory
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Frequently asked(5)
What is CVE-2023-40341?
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What is the CVSS score of CVE-2023-40341?
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Dependency Blast Radius
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