Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
-
AccessObtain low-privileged Coherence HTTP credentials
-
DeliveryConnect to Coherence Core HTTP endpoint
-
ExploitSend crafted request exploiting authorization bypass
-
ExecutionAccess unauthorized cache partitions or data regions
-
ImpactRead sensitive cached data or inject/modify records
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Access control enforcement
MITRE ATT&CK
1 technique across 1 tactic: Defense Evasion The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | Exploitation requires a valid low-privileged account with network-level HTTP access to the Oracle Coherence Core component - unauthenticated attackers cannot exploit this vulnerability per the CVSS PR:L designation. The 'Authentication Bypass' tag indicates the flaw allows a low-privileged principal to exceed their authorized data access boundary within Coherence (e.g., reading or writing cache partitions not assigned to their role), not that authentication itself is circumvented. The Oracle description explicitly states the attacker must have 'network access via HTTP,' meaning the Coherence HTTP interface must be reachable from the attacker's network position. No special non-default configuration is described as required beyond a standard Coherence deployment with its HTTP interface exposed. Limiting factors include: (1) a valid Coherence credential at any privilege level is mandatory; (2) network connectivity to the HTTP endpoint is required; (3) impact is bounded to data accessible within Oracle Coherence and does not extend to the underlying OS or other Middleware components. |
| Impact | The CVSS 3.1 score of 5.4 (Medium) accurately reflects the constrained impact envelope: exploitation is network-accessible and low-complexity (AV:N/AC:L), but requires a valid low-privileged credential (PR:L), and the blast radius is limited to partial confidentiality and integrity loss with no availability impact (C:L/I:L/A:N/S:U). No EPSS score was provided in the available data, precluding probabilistic exploitation comparison. The vulnerability is not in CISA KEV, and no public PoC is known - exploitation status is 'no public exploit identified at time of analysis.' The 'Authentication Bypass' tag introduces a nuance: the flaw appears to allow low-privileged credentials to exercise access rights beyond their authorized scope, not to bypass authentication entirely, which meaningfully limits opportunistic exploitation to actors who can first obtain valid credentials. Real-world priority is moderate for organizations running Oracle Coherence with network-exposed HTTP endpoints and a broad internal user or service account base; organizations with strict network segmentation and tightly controlled Coherence credentials face lower practical risk. No conflicting signals exist between the CVSS vector and the description, and the vendor-assigned score is consistent with the stated impact bounds. |
| Exploit ScenarioDerived | An attacker holding a low-privileged Coherence account - such as a compromised application service credential or an insider with minimal permissions - sends crafted HTTP requests directly to the Oracle Coherence Core component, exploiting the authorization boundary flaw to access cache regions or data partitions outside their permitted scope. The attacker can read sensitive cached data (application session state, business data, or credentials held in cache) or modify cached records to tamper with application integrity, without needing elevated privileges or triggering user interaction. No public PoC is known, but the low attack complexity (AC:L) means that once credentials are obtained, exploitation does not require specialized tooling. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAIv1 – Jul 22, 2026
Oracle Coherence (Core component) across all currently supported versions exposes authenticated low-privileged network attackers to unauthorized data access and manipulation over HTTP, enabling both partial read access and unauthorized insert, update, or delete operations on Coherence-accessible cached data. Disclosed as part of Oracle's July 2026 Critical Patch Update, this medium-severity flaw is tagged as an Authentication Bypass, suggesting that a low-privileged credential confers data access beyond its intended authorization scope rather than enforcing proper boundary controls. No public exploit code exists and the vulnerability is not listed in CISA KEV at time of analysis, but the low attack complexity (AC:L) and absence of required user interaction mean exploitation is straightforward for any attacker holding valid Coherence credentials.
RemediationAI
The primary remediation is to apply the Oracle Critical Patch Update for July 2026, available at https://www.oracle.com/security-alerts/cpujul2026.html, which addresses this vulnerability across all four affected Oracle Coherence versions (12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, 15.1.1.0.0). Exact patched version identifiers should be retrieved directly from the Oracle advisory, as specific fix version numbers were not independently confirmed in the available intelligence data. As compensating controls prior to patching: restrict network access to Oracle Coherence HTTP and REST management endpoints to trusted internal subnets or named IP ranges using host-based or network firewall rules - this reduces the pool of potential attackers to those already on trusted segments, though it does not eliminate risk for insider-threat scenarios. Additionally, audit and minimize the set of low-privileged accounts with network access to Coherence services, revoking any service or shared accounts that do not require direct Coherence HTTP access. These mitigations reduce exposure but do not remediate the underlying authorization flaw and should not substitute for patching.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Oracle Coherence is Oracle's in-memory data grid and distributed caching platform, part of the Oracle Fusion Middleware stack, commonly deployed to provide high-performance shared session state, real-time caching, and event-driven data processing for enterprise Java applications. The affected component is Core - the fundamental data access, partitioning, and cluster communication layer - which exposes management and data interfaces over HTTP. The CPE (cpe:2.3:a:oracle_corporation:oracle_coherence:*:*:*:*:*:*:*:*) confirms all versions in the named range are affected. No CWE was assigned (N/A in source data), but the 'Authentication Bypass' tag from ENISA EUVD (EUVD-2026-46646) points to an improper authorization enforcement flaw - likely within the Core HTTP interface - where a low-privileged principal can access or manipulate cache partitions, data stores, or management endpoints outside their authorized scope. The attack operates entirely over HTTP, consistent with Coherence's REST or cluster management interfaces rather than requiring a local or out-of-band vector.
Know when Oracle Coherence gets its next vulnerability
- Watch products and get an email when something new is published
- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
No credit card · 7-day full trial
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Network-accessible HTTP with low-privilege credential requirement; scope unchanged, no availability impact, partial confidentiality and integrity loss only.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
DescriptionCVE.org
Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). 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 low privileged attacker with network access via HTTP to compromise Oracle Coherence. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Coherence accessible data as well as unauthorized read access to a subset of Oracle Coherence accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N).
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
More in Oracle Coherence
View allRemote takeover of Oracle Coherence (Fusion Middleware) via the Centralized Third Party Jars component allows an unauthe
Remote takeover of Oracle Coherence is possible via HTTP by an unauthenticated network attacker, affecting Oracle Fusion
Complete takeover of Oracle Coherence is achievable by an unauthenticated remote attacker over TCP, with the Core compon
Remote takeover of Oracle Coherence (Fusion Middleware component) is possible by unauthenticated network attackers reach
Remote takeover of Oracle Coherence is possible by unauthenticated attackers with HTTP network access to affected Fusion
Remote unauthenticated takeover of Oracle Coherence (Oracle Fusion Middleware) is possible over HTTPS, affecting support
Remote takeover of Oracle Coherence (Fusion Middleware Core component) lets an unauthenticated attacker with TCP network
Remote takeover of Oracle Coherence (the Core component of Oracle Fusion Middleware) allows an unauthenticated attacker
Full takeover of Oracle Coherence (Core component) in Oracle Fusion Middleware versions 14.1.1.0.0, 14.1.2.0.0, and 15.1
Complete takeover of Oracle Coherence (Oracle Fusion Middleware Core component) is achievable by an unauthenticated remo
Full compromise of Oracle Coherence, the in-memory data grid within Oracle Fusion Middleware, is possible over the netwo
Complete takeover of Oracle Coherence is possible when an unauthenticated attacker with TCP network access exploits a Co
EUVD-2026-46646
GHSA-6vf8-w2pq-j8rx
NVD
CVE.org
EPSS
Exploit-DB