Multiple vulnerabilities in CRaC JDK 25, including missing API authentication in the JAXP, Networking, JSSE, JGSS, Libraries, and Security components, allow remote unauthenticated attackers to cause denial of service, leak sensitive information, or gain unauthorized data modification. The CVSS scores for these issues range from Medium to High, such as CVE-2026-22016 and CVE-2026-34282 with scores of 7.5. Affected versions include Oracle JRE 1.8.0, 11.0.30, 17.0.18, 21.0.10, and 25.0.2, as per NVD data.
Thomas Beckers discovered that the JAXP component of CRaC JDK 25 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to gain unauthorized access to sensitive information. (CVE-2026-22016) It was discovered that the Networking component of CRaC JDK 25 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to cause a denial of service. (CVE-2026-34282) It was discovered that the JSSE component of CRaC JDK 25 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to cause a denial of service. (CVE-2026-22021) It was discovered that the JGSS component of CRaC JDK 25 did not correctly authenticate certain APIs. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2026-22013) It was discovered that the 2D component of CRaC JDK 25 did not correctly handle certain integer arithmetic. If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to leak sensitive information. (CVE-2026-23865) It was discovered that the Libraries component of CRaC JDK 25 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to cause a denial of service or gain unauthorized modification of data privileges. (CVE-2026-22008, CVE-2026-22018) Ken Pyle discovered that the Security component of CRaC JDK 25 did not correctly authenticate certain APIs. A local attacker could possibly use this issue to leak sensitive information. (CVE-2026-22007, CVE-2026-34268) In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes. Please see the following for more information: https://openjdk.org/groups/vulnerability/advisories/2026-04-21