CVE-2026-91387

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 61/100
Published: 2026-10-20 Modified: 2026-11-04 First seen: 2026-11-04 Status: active

Attack Surface

Network Low Complexity No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: Unchanged
C: Low
I: Low
A: None

Description

Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM End User. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Siebel CRM End User accessible data as well as unauthorized read access to a subset of Siebel CRM End User 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).

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
oracle siebel_crm 17.0 – 26.9

References & Advisories (1)

Bug Bounty Relevance

61 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

5.4 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS — Exploitation Probability

0.22%
Raw Score 0.002220
Percentile 12.9%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00222
2026-11-13
0.00222
2026-11-12
0.00222
2026-11-10
0.00222
2026-11-09
0.00222
2026-11-08
0.00222
2026-11-07
0.00222
2026-11-06
0.00222
2026-11-05
0.00222
2026-11-04
0.00221

Intelligence Sources

nvd ref →