MEDIUM

CVE-2026-61308

CVSS v3

6.8

MEDIUM

EPSS Score

0.3 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

javaBitnamiall versions · fixed in 1.8.0and 2 other packages
java-1.8.0-openjdkAlmaLinux:9all versions · fixed in 1:1.8.0.504.b01-1.2.el9.alma.1and 16 other packages
java-1.8.0-openjdkAlmaLinux:8all versions · fixed in 1:1.8.0.504.b01-1.1.el8and 19 other packages
java-17-openjdkAlmaLinux:9all versions · fixed in 1:17.0.20.1.1-1.2.el9.alma.1and 22 other packages
java-17-openjdkAlmaLinux:8all versions · fixed in 1:17.0.20.1.1-1.1.el8and 22 other packages
java-21-openjdkAlmaLinux:10all versions · fixed in 1:21.0.12.1.1-1.2.el10.alma.1and 22 other packages
java-21-openjdkAlmaLinux:9all versions · fixed in 1:21.0.12.1.1-1.2.el9.alma.1and 22 other packages
java-21-openjdkAlmaLinux:8all versions · fixed in 1:21.0.12.1.1-1.1.el8and 22 other packages

2 more package ranges on OSV.dev

Vendor advisories

CVE-2026-61308 Red Hat Product Security2,940 products fixed · 40 known affected
OpenJDK: Enhance HTTP Connections (2026-08 Security Update)
exploit-intelligence-tech-preview/vulnerability-analysis-rhel9 as a component of Exploit Intelligence · java-1.6.0-openjdk as a component of Red Hat Enterprise Linux 6 · java-1.6.0-openjdk-demo as a component of Red Hat Enterprise Linux 6
RHSA-2026:72888 Red Hat Product Security30 products fixed
Red Hat Security Advisory: java-21-ibm-semeru-certified-jdk security update
RHSA-2026:70630 Red Hat Product Security22 products fixed
Red Hat Security Advisory: java-1.8.0-ibm security update
RHSA-2026:57118 Red Hat Product Security1 product fixed
Red Hat Security Advisory: OpenJDK 25.0.4.1 Security Update for Windows Builds
RHSA-2026:58266 Red Hat Product Security47 products fixed
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
RHSA-2026:57765 Red Hat Product Security53 products fixed
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

17 more advisories

Full record on NVD

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).

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Published: 2026-08-18
Last Modified: 2026-08-20

Frequently asked questions

What is CVE-2026-61308?

Is CVE-2026-61308 actively exploited?

Active exploitation of CVE-2026-61308 has not been confirmed. Its EPSS score was 0.3% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-61308?

CVE-2026-61308 has a CVSS v3 base score of 6.8 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N.

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