How severe is CVE-2025-47889?

CVE-2025-47889 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-47889 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-47889?

CVE-2025-47889 affects Jenkins Wso2 Oauth. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-47889?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-47889 have an EU (EUVD) identifier?

Yes. CVE-2025-47889 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14885.

When was CVE-2025-47889 published?

CVE-2025-47889 was published on 2025-05-14 and last updated on 2026-06-17.

CVE-2025-47889

CVE-2025-47889 is a critical-severity vulnerability in Jenkins Wso2 Oauth with a CVSS 3.x base score of 9.8. 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-14885
Weakness: CWE-287
Affected product: Jenkins Wso2 Oauth
Published: 2025-05-14
Last modified: 2026-06-17

Description

In Jenkins WSO2 Oauth Plugin 1.0 and earlier, authentication claims are accepted without validation by the "WSO2 Oauth" security realm, allowing unauthenticated attackers to log in to controllers using this security realm using any username and any password, including usernames that do not exist.

Frequently asked questions

What is CVE-2025-47889?: In Jenkins WSO2 Oauth Plugin 1.0 and earlier, authentication claims are accepted without validation by the "WSO2 Oauth" security realm, allowing unauthenticated attackers to log in to controllers using this security realm using any username and any password, including usernames that do not exist.
How severe is CVE-2025-47889?: CVE-2025-47889 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-47889 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-47889?: CVE-2025-47889 affects Jenkins Wso2 Oauth. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-47889?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-47889 have an EU (EUVD) identifier?: Yes. CVE-2025-47889 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14885.
When was CVE-2025-47889 published?: CVE-2025-47889 was published on 2025-05-14 and last updated on 2026-06-17.

References

https://www.jenkins.io/security/advisory/2025-05-14/#SECURITY-3481

Affected products (1)

cpe:2.3:a:jenkins:wso2_oauth:*:*:*:*:*:jenkins:*:*

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