CVE-2026-61308: oracle corporation oracle java se, oracle graalvm for jdk, oracle graalvm enterprise edition Improper Access Control
Vulnerability summary
CVE-2026-61308 is a medium (CVSS 6.8) Improper Access Control vulnerability in oracle corporation oracle java se, oracle graalvm for jdk, oracle graalvm enterprise edition. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.2% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 38 · Related 22Timeline
- 18-08-2026PublishedVulnerability first disclosed.
- 17-09-2026Last modifiedVulnerability information updated.
Description
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Networking). Supported versions that are affected are Oracle Java SE: 8u501, 11.0.32, 17.0.20, 21.0.12, 25.0.4, 26.0.2; Oracle GraalVM for JDK: 17.0.20 and 21.0.12; Oracle GraalVM Enterprise Edition: 21.3.19. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. While the vulnerability is in Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. 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 6.8 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N).
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated6.8MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated6.8MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
- NVDNIST6.8MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
EPSS trend
Probability
0.31%
Chance of exploitation in the next 30 days
Percentile
22%
Versus all other CVEs
30-day change
0.00 pp
From 0.31% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard107 products
- liberica-17< 17.0.20.1.2-r0
- liberica-17-dbg< 17.0.20.1.2-r0
- liberica-17-default-jdk< 17.0.20.1.2-r0
- liberica-17-default-jvm< 17.0.20.1.2-r0
- liberica-17-demos< 17.0.20.1.2-r0
Ubuntu11 products
- openjdk-13All versions (No fix recorded)
- openjdk-16All versions (No fix recorded)
- openjdk-17All versions (No fix recorded)
- openjdk-17-cracAll versions (No fix recorded)
- openjdk-18All versions (No fix recorded)
Debian4 products
- openjdk-17< 17.0.20.1+1-1~deb12u1
- openjdk-21< 21.0.12.1+1-1~deb13u1 | < 21.0.12.1+1-1
- openjdk-25< 25.0.4.1+1-1~deb13u1 | < 25.0.4.1+1-1
- openjdk-26< 26.0.2.1+1-1
Oracle corporation1 product
- oracle java se, oracle graalvm for jdk, oracle graalvm enterprise editionOracle Java SE:8u501 | Oracle Java SE:11.0.32 | Oracle Java SE:17.0.20 | Oracle Java SE:21.0.12 | Oracle Java SE:25.0.4 | Oracle Java SE:26.0.2 | Oracle GraalVM for JDK:17.0.20 | Oracle GraalVM for JDK:21.0.12 | Oracle GraalVM Enterprise Edition:21.3.19
4 vendors · 123 products