CVE-2026-53437
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.
- CVSS 3.1
- 4.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 40% of CVEs (scores of 2026-10-25)
- CWE
- CWE-601
- Published
- Modified
- Record from
- the NVD, synced
Affected
- jenkins:jenkins
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-463r-5m89-4xfr | Maven | org.jenkins-ci.main:jenkins-core | <2.555.3 | 2.555.3 |
| GHSA-463r-5m89-4xfr | Maven | org.jenkins-ci.main:jenkins-core | >=2.556 <2.568 | 2.568 |