EUVD-2026-79433
GHSA-qjr9-x34h-2cp9
Severity by source
AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Vendor description states unauthenticated (PR:N) HTTP network access (AV:N) that is difficult to exploit (AC:H), with a scope change (S:C) and full-triad takeover; independently concurred.
Primary rating from NVD.
CVSS VectorNVD
Lifecycle Timeline
3DescriptionNVD
Vulnerability in the Oracle Forms product of Oracle Fusion Middleware (component: Forms Services, C/S, Charmode). Supported versions that are affected are 12.2.1.19.0 and 14.1.2.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Forms. While the vulnerability is in Oracle Forms, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Forms. CVSS 3.1 Base Score 9.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H).
AnalysisAI
Unauthenticated remote attackers who can reach the HTTP interface of Oracle Forms Services in a Client/Server, Character mode (C/S, Charmode) deployment can potentially achieve full takeover of the affected Oracle Forms instance on versions 12.2.1.19.0 and 14.1.2.0.0. The assessed vector (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H, base 9.0) reflects complete confidentiality, integrity and availability impact plus a scope change, meaning a successful compromise can materially affect products beyond Oracle Forms itself; however, the High attack complexity rating means exploitation is difficult and depends on a condition outside the attacker's direct control, which limits reliability and mass exploitation. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Affects Oracle Forms Services in Client/Server, Character mode (C/S, Charmode) deployment on versions 12.2.1.19.0 and 14.1.2.0.0, reachable over HTTP. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuinely high-severity issue but with an important real-world limiter. … 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 Oracle fix for CVE-2026-83105 distributed through the Oracle Critical Patch Update referenced at https://www.oracle.com/security-alerts/cspusep2026.html - patch availability is per the vendor advisory, and no standalone patched version number beyond the affected releases (12.2.1.19.0 and 14.1.2.0.0) was independently confirmed in the supplied data, so verify the exact patch level in the advisory before upgrading. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Oracle Forms Services C/S Charmode instances running 12.2.1.19.0 and 14.1.2.0.0, identify which HTTP listeners are reachable from untrusted networks, and immediately block or allowlist access at the firewall or load balancer so only trusted administrative or business networks can connect. …
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