CVE Feed

    Dashboard / CVE / CVE-2026-53440

    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.

    Published:Jun 10, 2026
    Last Modified:Jun 12, 2026
    EPS:Jun 10, 2026
    EPSS Score:0.00028
    CVSS Score:4.3

    Affected Products

    Vendor
    Jenkins
    Product
    Jenkins
    Vendor
    Jenkins Project
    Product
    Jenkins

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-178 Cross-Site Flashing

    Related CVEs

    CVE-2026-70429 (CVSS 6.5) — Jenkins 2.575 and earlier, LTS 2.568.1 and earlier handles case-insensitivity in user names and group names in…
    CVE-2026-70430 (CVSS 2.7) — Jenkins 2.575 and earlier, LTS 2.568.1 and earlier does not restrict the types of objects that can be instanti…
    CVE-2026-70428 (CVSS 4.3) — Jenkins 2.575 and earlier, LTS 2.568.1 and earlier improperly identifies file paths attempting path traversal …
    CVE-2026-70427 (CVSS 4.3) — Jenkins 2.575 and earlier, LTS 2.568.1 and earlier does not safely handle symbolic links with effectively empt…
    CVE-2026-53442 (CVSS 5.3) — Jenkins 2.567 and earlier, LTS 2.555.2 and earlier does not encrypt secrets from POST config.xml submissions b…
    CVE-2026-53441 (CVSS 5.4) — Jenkins 2.483 through 2.567 (both inclusive), LTS 2.492.1 through 2.555.2 (both inclusive) does not escape the…
    CVE-2026-53439 (CVSS 4.3) — Missing permission checks in Jenkins 2.567 and earlier, LTS 2.555.2 and earlier allow attackers with Overall/R…
    CVE-2026-53438 (CVSS 4.3) — A missing permission check in Jenkins 2.567 and earlier, LTS 2.555.2 and earlier allows attackers with Item/Ca…
    CVE-2026-53437 (CVSS 4.3) — Jenkins 2.567 and earlier, LTS 2.555.2 and earlier improperly determines that a redirect URL after login is le…
    CVE-2026-53436 (CVSS 4.3) — Jenkins 2.567 and earlier, LTS 2.555.2 and earlier improperly determines that a redirect URL after login is le…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High