CVE-2026-53440

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Summary

CVECVE-2026-53440
StatePUBLISHED
Assignerjenkins
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-10 14:16:36 UTC
Updated2026-06-12 01:03:40 UTC
DescriptionJenkins 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.

Risk And Classification

Primary CVSS: v3.1 4.3 MEDIUM from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

EPSS: 0.002390000 probability, percentile 0.147340000 (date 2026-06-18)

Problem Types: CWE-601 | CWE-601 CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Jenkins Jenkins All All All All
Application Jenkins Jenkins All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Jenkins Project Jenkins unaffected 2.568 * maven Not specified
CNA Jenkins Project Jenkins unaffected 2.555.3 2.555.* maven Not specified

References

ReferenceSourceLinkTags
www.jenkins.io/security/advisory/2026-06-10 [email protected] www.jenkins.io Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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