Oracle GraalVM Compiler Remote Takeover
CVE-2026-87287 is a high-severity vulnerability in the Compiler component of Oracle GraalVM, affecting supported version 25.0.4.1. An unauthenticated attacker with network access over HTTP can compromise an affected Oracle GraalVM instance. Oracle rates exploitation as difficult; no vulnerable function or technical root cause is specified.
What it means and what to do now: patch path, interim mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
Successful exploitation can result in complete takeover of the affected Oracle GraalVM instance, with high confidentiality, integrity, and availability impact. The CVSS v3.1 base score is 8.1 (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).
No public exploits tracked yet. Mallory keeps watching.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.