EUVD-2026-79555
GHSA-pf93-3c33-75vw
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Vendor and EUVD agree on an unauthenticated, low-complexity HTTP attack with no user interaction, so PR:N/UI:N/AC:L hold; confidentiality impact dominates.
Primary rating from NVD.
CVSS VectorNVD
Lifecycle Timeline
2DescriptionNVD
Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.7. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM End User. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM End User accessible data as well as unauthorized update, insert or delete access to some of Siebel CRM End User accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Siebel CRM End User. CVSS 3.1 Base Score 8.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L).
AnalysisAI
Unauthenticated network attackers can reach the Open UI component of Oracle Siebel CRM End User (versions 17.0 through 26.7) over HTTP and gain unauthorized read access to critical data, limited insert/update/delete access, and the ability to partially degrade availability. Oracle rates the issue CVSS 3.1 base 8.6 (AV:N/AC:L/PR:N/UI:N), meaning no credentials or user interaction are needed; the accompanying tags indicate an authentication-bypass class flaw. …
Unlock full vulnerability intelligence
- Risk assessment & exploitation conditions
- Attack chain visualization
- Remediation with exact patch versions
- Threat intelligence from 22 sources
- Personal watchlist & email alerts
Free forever · No credit card required
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The prerequisite is network reachability to the Siebel CRM End User Open UI application over HTTP, combined with the target running an affected version in the 17.0-26.7 range with the Open UI web tier deployed - CVSS PR:N/UI:N means no credentials and no victim user action are required, so this is exploitable against a default/exposed deployment of the affected component. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L, base 8.6) describes a low-complexity, unauthenticated, no-user-interaction attack with a high confidentiality impact, which is a genuinely serious profile for an internet- or intranet-reachable CRM. … 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 fix from Oracle's Critical Security Patch Update advisory covering Siebel CRM Open UI - see https://www.oracle.com/security-alerts/cspusep2026.html for the exact minimum patched build per supported release, and upgrade any instance still running a release older than the supported 17.0-26.7 window, since out-of-support versions will not receive a fix. … Detailed patch versions, workarounds, and compensating controls in full report. |
Threat intelligence, references, and detailed analysis are available after sign-in.
Same technique Authentication Bypass
View allShare
External POC / Exploit Code
Leaving vuln.today