CVE-2026-34302: oracle corporation oracle workflow Improper Access Control
Vulnerability summary
CVE-2026-34302 is a medium (CVSS 5.5) Improper Access Control vulnerability in oracle corporation oracle workflow. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24.1% of scored vulnerabilities.
Timeline
- 21-04-2026PublishedVulnerability first disclosed.
- 22-04-2026Last modifiedVulnerability information updated.
Description
Vulnerability in the Oracle Workflow product of Oracle E-Business Suite (component: Workflow Loader). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise Oracle Workflow. While the vulnerability is in Oracle Workflow, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Workflow accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Workflow. CVSS 3.1 Base Score 5.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:L).
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST5.5MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:L
EPSS trend
Probability
0.33%
Chance of exploitation in the next 30 days
Percentile
24%
Versus all other CVEs
30-day change
+0.08 pp
From 0.24% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Oracle1 product
- workflow≥ 12.2.3, ≤ 12.2.15
Oracle corporation1 product
- oracle workflow≥ 12.2.3, ≤ 12.2.15
2 vendors · 2 products
References
1 links- www.oracle.com/security-alerts/cpuapr2026.htmlVendor Advisory