CVE-2026-91417
Reported by oracle · Published October 20, 2026
Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: CORBA). Supported versions that are affected are Oracle Java SE: 8u503 and 8u503-perf; Oracle GraalVM Enterprise Edition: 21.3.19.1.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Java SE, Oracle GraalVM Enterprise Edition. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| openjdk21 | Alpine | 21.0.13.0.3_p1-r0 |
| openjdk17 | Alpine | 17.0.21.0.3_p1-r0 |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Oracle Corporation | Oracle Java SE | 8u503, 8u503-perf |
| Oracle Corporation | Oracle GraalVM Enterprise Edition | 21.3.19.1.1 |
| alpine | openjdk21 | 0 |
| alpine | openjdk17 | 0 |
| oracle | java_se | |
| Oracle Corporation | Oracle GraalVM Enterprise Edition | 21.3.19.1.1 |
| Oracle Corporation | Oracle Java SE | 8u503, 8u503-perf |
| amazon:2023 | java-1.8.0-amazon-corretto | 0 |
| amazon:2023 | java-1.8.0-amazon-corretto-debugsymbols | 0 |
| oracle | graalvm | |
| amazon:2023 | java-1.8.0-amazon-corretto-devel | 0 |
Timeline
- Oct 20, 2026 CVE Published
- Oct 21, 2026 EPSS Score (4 in total, the first dated here)
- Oct 21, 2026 Coalition ESS Score
- Oct 22, 2026 CVE Updated
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2026-91417
vulnetix vdb fixes CVE-2026-91417Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2026-91417/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart
References
- Oracle Advisory vendor-advisory