CVE-2026-83368: Openjdk 8 · Vulnerability in the Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition, Oracle
Affects openjdk-8Source GCVE Database
Not known to be exploited · CVSS 7.0 High.
Data as of 9 Nov 2026, 06:51 UTC
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:LExploitation evidence
Disclosed: evidence found.
CVE published 15 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 8 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.10openjdk-17pkg:deb/ubuntu/openjdk-17?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.10openjdk-17-cracpkg:deb/ubuntu/openjdk-17-crac?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.10openjdk-21pkg:deb/ubuntu/openjdk-21?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.10openjdk-21-cracpkg:deb/ubuntu/openjdk-21-crac?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.10openjdk-25pkg:deb/ubuntu/openjdk-25?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.10openjdk-8pkg:deb/ubuntu/openjdk-8?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Oracle has released security patches addressing this vulnerability in the September 2026 Critical Security Patch Update. Customers are strongly advised to apply these patches without delay to mitigate the risk. Oracle recommends remaining on actively-supported versions and promptly applying all security updates. No alternative mitigations or workarounds are specified in the advisory.
Description
A vulnerability in Oracle GraalVM for JDK and Oracle GraalVM Enterprise Edition allows an unauthenticated attacker with network access via HTTP to potentially gain unauthorized access to critical data, perform limited unauthorized data modifications, and cause partial denial of service. The vulnerability affects specific versions of Oracle GraalVM for JDK 17, JDK 21, and Oracle GraalVM Enterprise Edition. The CVSS 3.1 base score is 7.0, indicating a high severity with impacts on confidentiality, integrity, and availability.