CVE Explorer
CVE-2026-53436
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 relative path segments (`./` or `../`), allowing attackers to perform phishing attacks.
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:v2:1aa93b09541b453793e148de662559a81ff915b355ece9b188a579db16c2bc72 · sha256:b6708a827fa16a7c… · /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:v2:1aa93b09541b453793e148de662559a81ff915b355ece9b188a579db16c2bc72 · sha256:b6708a827fa16a7c… · /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:v2:1aa93b09541b453793e148de662559a81ff915b355ece9b188a579db16c2bc72 · sha256:b6708a827fa16a7c… · /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-3711+3755"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:1aa93b09541b453793e148de662559a81ff915b355ece9b188a579db16c2bc72 · sha256:b6708a827fa16a7c… · /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.