CVE-2026-35308: Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Centralized Third Party

This month

CRITICAL 10.0REMOTEDOWNGRADE

CVE-2026-35308 is a critical-severity flaw (CVSS 10.0) affecting coherence. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Centralized Third Party Jars). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Coherence. While the vulnerability is in Oracle Coherence, attacks may significantly impact additional products (scope chan

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	10.0 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-284
Published	2026-06-17
Last modified	2026-10-25

Publisher (CNA): Oracle · Vendor: oracle

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-17 10:40 UTCPublished CVE record published
2026-10-25 23:10 UTCUpdated Record last modified

oracle coherence DOWNGRADE

Affected: 12.2.1.4.0 · 14.1.1.0.0 · 14.1.2.0.0 · 15.1.1.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 12.2.1.4.0

1. Check installed version

apt-cache policy coherence || rpm -q coherence || coherence --version

2. No fixed release: DOWNGRADE to a release before 12.2.1.4.0 (Debian / Ubuntu)

apt-cache madison coherence sudo apt install coherence=<VERSION_BEFORE_12.2.1.4.0> sudo apt-mark hold coherence

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list coherence sudo dnf downgrade coherence-<VERSION_BEFORE_12.2.1.4.0> sudo dnf versionlock add coherence

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-35308?

coherence: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-35308 being exploited?

CVE-2026-35308 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-35308 affect?

CVE-2026-35308 affects coherence. Severity is critical (CVSS 10.0). Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Centralized Third Party Jars). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerabil

How urgent is CVE-2026-35308?

Priority 50/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-35307 CRITICAL 10.0 DOWNGRADE Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core)
CVE-2026-35310 CRITICAL 9.8 DOWNGRADE Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core)
CVE-2026-35304 CRITICAL 9.8 DOWNGRADE Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core)
CVE-2026-35309 CRITICAL 9.8 DOWNGRADE Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Centralized Third Party
CVE-2026-35306 CRITICAL 9.3 DOWNGRADE Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Centralized Third Party

References

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