What is CVE-2026-48924?

CVE-2026-48924 is a medium-severity vulnerability in Jenkins Bitbucket_oauth, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.3/10. Published 2026-05-27.

How severe is CVE-2026-48924?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Open Redirect in Jenkins Bitbucket_oauth

CVE-2026-48924

Jenkins Bitbucket OAuth Plugin 0.17 and earlier does not restrict the redirect URL after login, allowing attackers to perform phishing attacks.

Vulnerability class: Open Redirect

EPSS: 0.000 (10.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Jenkins Bitbucket_oauth
Jenkins Project Bitbucket Oauth Plugin — versions 0

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

jenkinsci-cert@googlegroups.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-48924?: CVE-2026-48924 is a medium-severity vulnerability in Jenkins Bitbucket_oauth, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.3/10. Published 2026-05-27.
How severe is CVE-2026-48924?: Medium severity. CVSS v3 base score is 4.3 out of 10.