Quick answers
- Is CVE-2026-87288 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-87288 being exploited in the wild.
- How severe is CVE-2026-87288?
- High severity, with a CVSS score of 8.1, published 15 September 2026.
- Which products and versions are affected?
- Oracle Graalvm 25.0.4.1.
- Is there a fix for CVE-2026-87288?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-87288 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-87288?
- Check whether you run Oracle Graalvm at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
This is a remote code execution vulnerability in the Oracle GraalVM compiler component, accessible via HTTP without authentication. The vulnerability is difficult to exploit but has high impact, allowing an attacker with network access to compromise confidentiality, integrity, and availability. Successful exploitation results in complete takeover of the affected GraalVM instance. The vulnerability affects GraalVM version 25.0.4.1 and likely other versions in that release line. No information about available patches is currently available from Oracle due to resource constraints.
Affected products
- Oracle GraalVM 25.0.4.1
Timeline
- 2026-09-15: disclosed