CVE-2026-91397

LOW
INFO Priority: 0.00 BB Relevance: 22/100
Published: 2026-10-20 Modified: 2026-10-23 First seen: 2026-10-29 Status: active

Attack Surface

No Auth

CVSS Vector Breakdown

AV: Local
AC: High
PR: None
UI: Required
S: Unchanged
C: None
I: Low
A: Low

Description

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Serviceability). Supported versions that are affected are Oracle Java SE: 8u503, 8u503-perf, 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1, 27; Oracle GraalVM for JDK: 17.0.20.1 and 21.0.12.1; Oracle GraalVM Enterprise Edition: 21.3.19.1.1. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition executes to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 3.6 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L).

Weakness Classification (1)

Bug Bounty Relevance

22 / 100
✓ No authentication

CVSS Score

3.6 / 10.0 v3.1
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L

EPSS — Exploitation Probability

0.10%
Raw Score 0.000950
Percentile 0.6%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00095
2026-10-28
0.00095

Intelligence Sources

nvd ref →