BIT-JENKINS-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...

PT-2026-48849

A CRLF injection vulnerability exists in the OAuth2 AuthorizationUtils class. When constructing the WWW-Authenticate response header, the 'realm' parameter is concatenated without sanitizing Carriage Return CR and Line Feed LF characters. If an attacker can control the realm value, they can injec...

Security update for tomcat11

This update for tomcat11 fixes the following issues Update to Tomcat 11.0.22: CVE-2026-41284: Unbounded read in WebDAV LOCK and PROPFIND handling bsc1265162. CVE-2026-41293: HTTP/2 request headers not validated bsc1265163. CVE-2026-42498: WebSocket authentication header exposure bsc1265165...

Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Tomcat vulnerabilities (USN-8417-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8417-1 advisory. It was discovered that Tomcat did not properly limit the size of WebDAV LOCK and PROPFIND request...

org.keycloak/keycloak-services: keycloak: org.keycloak.protocol.oidc: Security flaw in org.keycloak/keycloak-services

A flaw was found in Keycloak. When both realm-level and client-level notBefore revocation policies are configured, Keycloak's OpenID Connect OIDC Introspection feature fails to properly honor the realm-level policy. This allows tokens that should have been revoked to remain active, potentially...

Sandbox Escape

vm2 is vulnerable to Sandbox Escape. The vulnerability is due to incomplete protection of dangerous cross-realm symbols in setup-sandbox.js and missing validation in the bridge's set, defineProperty, and deleteProperty traps. This allows sandboxed code to obtain and manipulate real cross-realm...

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...

USN-8417-1 tomcat9, tomcat10 vulnerabilities

It was discovered that Tomcat did not properly limit the size of WebDAV LOCK and PROPFIND request bodies. A remote attacker could use this issue to cause Tomcat to consume excessive memory, resulting in a denial of service. CVE-2026-41284 It was discovered that Tomcat incorrectly validated HTTP/2...

PT-2026-48425

Name of the Vulnerable Software and Affected Versions Jenkins versions prior to 2.568 Jenkins LTS versions prior to 2.555.3 Description The "Delegate to servlet container" security realm fails to validate that the from parameter is a safe destination for redirection after login. This allows...

CVE-2026-11577

Rejected reason: The reported behavior does not constitute a privilege escalation. Exploitation requires the attacker to already possess the manage-realm administrative role within the realm-management client. By design, the manage-realm role is intended to be equivalent in administrative authori...

CVE-2026-11577

Rejected reason: The reported behavior does not constitute a privilege escalation. Exploitation requires the attacker to already possess the manage-realm administrative role within the realm-management client. By design, the manage-realm role is intended to be equivalent in administrative authori...

CVE-2026-11577

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CVE-2026-11577

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EUVD-2026-35058

A flaw was found in Keycloak. A limited administrator can exploit an improper access control vulnerability in the POST /admin/realms/realm/partialImport endpoint. This allows them to bypass Fine-Grained Admin Permissions FGAP and escalate their privileges to a full realm administrator by importin...

CVE-2026-11577

A flaw was found in Keycloak. A limited administrator can exploit an improper access control vulnerability in the POST /admin/realms/realm/partialImport endpoint. This allows them to bypass Fine-Grained Admin Permissions FGAP and escalate their privileges to a full realm administrator by importin...

CVE-2026-11577

Keycloak vulnerability CVE-2026-11577 involves improper access control in POST /admin/realms/{realm}/partialImport. A limited administrator with the manage-realm role can import users with realm-admin role mappings to escalate to a full realm administrator, gaining full control. By design, manage...

PT-2026-47283

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description An improper access control flaw exists where a limited administrator can bypass Fine-Grained Admin Permissions FGAP, which are detailed permissions that restrict administrative actions to...

Amazon Linux 2023 : tomcat9, tomcat9-admin-webapps, tomcat9-el-3.0-api (ALAS2023-2026-1770)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1770 advisory. Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from...

CVE-2026-44000

A flaw was found in vm2 before 3.11.0. Host-side Promises that resolve to host objects deliver values to sandbox .then callbacks without cross-realm conversion ensureThis instead of from/proxy wrapping, allowing sandbox code to interact with host objects directly. Fixed in 3.11.0...