CVE-2026-53436
MEDIUM
4.3
CVSS Score
Published: June 10, 2026 at 01:05 PM UTC
Updated: October 26, 2026 at 11:10 AM UTC
1 product affected across 1 vendorJenkins
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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit
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 relative path segments (`./` or `../`), allowing attackers to perform phishing attacks.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
Vendor Advisory
Source: cverecord
https://www.jenkins.io/security/advisory/2026-06-10/#SECURITY-3711+3755SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
4.3MEDIUMCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusANALYZED
CWE
CWE-601
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