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Oracle Reports Developer CVE-2026-62638

| EUVDEUVD-2026-61620 CRITICAL
Improper Access Control (CWE-284)
2026-08-18 secalert_us@oracle.com GHSA-f9jg-5mrr-mj43
9.1
CVSS 3.1 · Vendor: oracle
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Severity by source

Vendor (oracle) PRIMARY
9.1 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
vuln.today AI
9.1 CRITICAL

Description confirms unauthenticated HTTP-reachable exploitation (AV:N/AC:L/PR:N/UI:N) with data create/delete/modify and complete DOS but no disclosure, giving C:N/I:H/A:H.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Aug 19, 2026 - 00:08 vuln.today
CVE Published
Aug 18, 2026 - 21:17 nvd
CRITICAL 9.1

DescriptionCVE.org

Vulnerability in the Oracle Reports Developer product of Oracle Fusion Middleware (component: Security and Authentication). The supported version that is affected is 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Reports Developer. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Reports Developer accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Reports Developer. CVSS 3.1 Base Score 9.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H).

AnalysisAI

Unauthenticated data tampering and denial-of-service in Oracle Reports Developer 14.1.2.0.0 (Oracle Fusion Middleware, Security and Authentication component) lets a remote attacker over HTTP create, delete, or modify all Reports Developer-accessible data and trigger a complete, repeatable crash. The flaw carries a CVSS 3.1 base score of 9.1 with high integrity and availability impact but no confidentiality impact, and was disclosed in Oracle's August 2026 Critical Patch Update. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation No special conditions beyond network reachability - the CVSS vector (AV:N/AC:L/PR:N/UI:N) indicates remote, unauthenticated, low-complexity exploitation of Oracle Reports Developer over HTTP with no user interaction. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The signals are consistent and point to a genuine high priority: CVSS 3.1 is 9.1 with AV:N/AC:L/PR:N/UI:N, meaning low-complexity, network-based, unauthenticated exploitation with no user interaction - the easiest class of attack surface to reach. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Apply the fixes from the Oracle August 2026 Critical Patch Update, which is the vendor-released patch vehicle for this CVE; consult https://www.oracle.com/security-alerts/cspuaug2026.html for the exact patch numbers and prerequisites applicable to Oracle Reports Developer 14.1.2.0.0 (no standalone fix build number was provided in the input, so identify the specific CPU patch for your installation from that advisory). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: inventory all systems running Oracle Reports Developer 14.1.2.0.0, restrict HTTP/HTTPS network access to authorized users and networks only, and enable detailed request logging on all Reports Developer instances. …

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Remote takeover of Oracle Reports Developer 14.1.2.0.0 (Oracle Fusion Middleware, Security and Authentication component)

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Full compromise of Oracle Reports Developer 14.1.2.0.0 (Oracle Fusion Middleware) is possible by a remote, unauthenticat

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Complete takeover of Oracle Reports Developer 12.2.1.19.0 is achievable by a remote, unauthenticated attacker over HTTP,

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Remote takeover of Oracle Reports Developer 14.1.2.0.0 (Oracle Fusion Middleware, Security and Authentication component)

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Complete takeover of Oracle Reports Developer 14.1.2.0.0 is possible for a remote, unauthenticated attacker who can reac

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Complete takeover of Oracle Reports Developer 14.1.2.0.0 is possible by a remote, unauthenticated attacker over TCP, per

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Full compromise of Oracle Reports Developer 12.2.1.19.0 is possible when an unauthenticated attacker reaches the product

CVE-2026-62622 CRITICAL
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Remote takeover of Oracle Reports Developer 12.2.1.19.0 (Oracle Fusion Middleware, Security and Authentication component

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CVE-2026-62638 vulnerability details – vuln.today

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