CVE-2026-87288: graalvm
Affects graalvmSource GCVE Database
Not known to be exploited · CVSS 8.1 High.
Data as of 31 Oct 2026, 08:20 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 31% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation 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 30 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Mavencom.oracle.graalvm/graalvmpkg:maven/com.oracle.graalvm/graalvmOther 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
The vendor advisory does not provide explicit patch or remediation details and merges this CVE into a general Oracle CVE listing. Until official fixes or mitigations are published, limit network exposure of Oracle GraalVM instances and monitor Oracle security alerts for updates.
Description
A high-severity vulnerability (CVE-2026-87288) exists in the Oracle GraalVM component of Oracle Java SE, specifically in the Compiler. The vulnerability affects Oracle GraalVM version 25.0.4.1 and allows an unauthenticated attacker with network access via HTTP to potentially take over the Oracle GraalVM instance. The vulnerability has a CVSS 3.1 base score of 8.1, indicating high impact on confidentiality, integrity, and availability. The vulnerability is difficult to exploit and no known exploits are reported in the wild. Oracle has merged the advisory into a general CVE listing and no explicit patch or remediation details are provided in the vendor advisory.