Open Redirect

Overview org.jenkins-ci.main:jenkins-core is an open source automation server. Affected versions of this package are vulnerable to Open Redirect in the URL redirection process. An attacker can redirect users to malicious sites by crafting URLs containing relative path segments such as ./ or ../...

CVE-2026-53437

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 tab or newline characters between //, allowing attackers to perform phishing attacks...

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...

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...

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...

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...

CVE-2026-53437

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 tab or newline characters between //, allowing attackers to perform phishing attacks...

EUVD-2026-36024

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...

CVE-2026-53440

Jenkins versions 2.567 and earlier , and LTS 2.555.2 and earlier , are vulnerable to an open redirect flaw within the "Delegate to servlet container" security realm. The root cause is a lack of proper validation for the "from" parameter, which allows attackers to redirect users to an attacker-con...

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...

CVE-2026-53437

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 tab or newline characters between //, allowing attackers to perform phishing attacks...

EUVD-2026-36021

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 tab or newline characters between //, allowing attackers to perform phishing attacks...

CVE-2026-53437

Jenkins versions 2.567 and earlier (LTS 2.555.2 and earlier ) are vulnerable to an open redirect issue due to improper input validation. The application fails to correctly verify redirect URLs after login when they contain tab or newline characters between //. Attackers can exploit this behavior ...

CVE-2026-53437

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 tab or newline characters between //, allowing attackers to perform phishing attacks...

CVE-2026-53437

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 tab or newline characters between //, allowing attackers to perform phishing attacks...

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...

CVE-2026-53436

Jenkins versions 2.567 and earlier , and LTS 2.555.2 and earlier , are vulnerable to an open redirect vulnerability in the default login flow. The root cause is an improper validation mechanism where the application fails to correctly identify that URLs containing relative path segments (such as ...

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...

EUVD-2026-36020

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...

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...