CVE-2026-53437
- State
- Published
- Severity
- 4.3 Medium
- Published
- Jun 10, 2026
- Updated
- Sep 9, 2026
- Reserved
- Jun 9, 2026
Description
Jenkins 2.567 and earlier, LTS 2.555.2 and earlier improperly determines that a redirect URL after login is legitimately pointing to Jenkins when it contains tab or newline characters between `//`, allowing attackers to perform phishing attacks.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N | CISA-ADP |
| 3.1 | 7.4 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N | redhat-SADP |
Weaknesses
- CWE-601 URL Redirection to Untrusted Site ('Open Redirect')
Affected Products
| Product | Versions |
|---|---|
JenkinsJenkins Project |
|
References
- Jenkins Security Advisory 2026-06-10vendor-advisory
- https://access.redhat.com/security/cve/CVE-2026-53437vdb-entry
- RHBZ#2487544issue-tracking
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53437.json
- https://access.redhat.com/errata/RHSA-2026:60247vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:60249vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:60248vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:60239vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:60251vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:60246vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:60250vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:60252vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:60259vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:60254vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:60256vendor-advisory
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