CVE Explorer
CVE-2026-53440
Jenkins 2.567 and earlier, LTS 2.555.2 and earlier does not ensure that the "from" parameter in the "Delegate to servlet container" security realm is safe to redirect to after login, allowing attackers to perform phishing attacks by redirecting users to an attacker-controlled domain.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"affected","product":"Jenkins","vendor":"Jenkins Project","versions":[{"lessThan":"*","status":"unaffected","version":"2.568","versionType":"maven"},{"lessThan":"2.555.*","status":"unaffected","version":"2.555.3","versionType":"maven"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:43b4599e1203148d893e50251bceedbcfa88551272aa9b35784f5163429e295b · sha256:be4a71c221f68e4d… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:43b4599e1203148d893e50251bceedbcfa88551272aa9b35784f5163429e295b · sha256:be4a71c221f68e4d… · /containers/adp/0/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-601","description":"CWE-601 URL Redirection to Untrusted Site ('Open Redirect')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:43b4599e1203148d893e50251bceedbcfa88551272aa9b35784f5163429e295b · sha256:be4a71c221f68e4d… · /containers/adp/0/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"Jenkins Security Advisory 2026-06-10","tags":["vendor-advisory"],"url":"https://www.jenkins.io/security/advisory/2026-06-10/#SECURITY-3721"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:43b4599e1203148d893e50251bceedbcfa88551272aa9b35784f5163429e295b · sha256:be4a71c221f68e4d… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.