EUVD-2026-79426
GHSA-fc3m-f6qr-cq3v
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Oracle states unauthenticated network HTTP access and easy exploitation with full takeover, supporting AV:N/AC:L/PR:N/UI:N and C:H/I:H/A:H; scope unchanged as compromise stays within Forms.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
3DescriptionCVE.org
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. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Forms. Successful attacks of this vulnerability can result in takeover of Oracle Forms. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
AnalysisAI
Full takeover of Oracle Forms 12.2.1.19.0 and 14.1.2.0.0 is achievable by an unauthenticated remote attacker exploiting an improper-authentication flaw (CWE-287) in the Forms Services C/S (Charmode) component. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H = 9.8) confirms there are no credential, user-interaction, or special-complexity prerequisites - only HTTP reachability to an affected Forms deployment is required. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires a reachable Oracle Forms Services deployment running in the C/S (client/server) Charmode configuration, versions 12.2.1.19.0 or 14.1.2.0.0, with its HTTP interface accessible to the attacker. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The published CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H = 9.8) is internally consistent and well-calibrated for a genuine pre-authentication, network-reachable full-takeover flaw in Oracle Forms Services (C/S, Charmode). … 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 | Oracle delivers Fusion Middleware security fixes through its Critical Security Patch Update cycle, and the advisory at https://www.oracle.com/security-alerts/cspusep2026.html is the authoritative source for the fix covering Forms 12.2.1.19.0 and 14.1.2.0.0; no specific patched version number is enumerated in the supplied intelligence, so patch availability and the exact fixed release should be confirmed directly against that advisory rather than assumed. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory every Oracle Forms 12.2.1.19.0 and 14.1.2.0.0 deployment, identify which ones expose the Forms Services HTTP endpoint, and confirm whether C/S (Charmode) is actually required; where it is not required, disable or block Charmode access immediately, and for all remaining deployments restrict inbound access to trusted internal networks only, removing any internet or partner-facing exposure and applying allow-list rules at the firewall, load balancer, or reverse proxy. …
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Same weakness CWE-287 – Improper Authentication
View allSame technique Authentication Bypass
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External POC / Exploit Code
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