How to Fix CVE-2026-34315: Oracle WebLogic Server (Bundle Sibling)
By Sai Kiran Pandrala
Last verified: 2026-05-25
CVE-2026-34315 is a sibling vulnerability in the same vendor advisory as CVE-2026-34292. Applying the patched build named in the primary write-up closes this CVE as well.
| Severity | CVSS 6.5 - Medium |
|---|---|
| Actively exploited? | Not currently in CISA KEV |
| Affected | Same as the bundle - see CVE-2026-34292 |
| Fixed in | Same patched build as CVE-2026-34292 (See vendor advisory) |
| Type (CWE) | Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle WebLogic Server accessible data. |
What's different about CVE-2026-34315?
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Web Services). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle WebLogic Server accessible data. CVSS 3.
The technical impact and remediation are identical to the primary CVE in the bundle. The same vendor patch closes both.
How to fix CVE-2026-34315
Apply the patched build per the primary write-up: How to Fix CVE-2026-34292.
The patch installation procedure, verification commands, and interim mitigations are documented there. Reusing one runbook keeps the rollout consistent across the bundle.
Frequently asked questions
Is CVE-2026-34315 fixed by the same patch as CVE-2026-34292?
Yes. CVE-2026-34315 ships in the same vendor advisory as CVE-2026-34292. Applying the patched build named in the primary write-up closes both.
What is the CVSS score for CVE-2026-34315?
The CVSS base score is 6.5 (Medium).
Is it being exploited?
It is not currently listed in CISA KEV.
References
- Official vendor advisory: https://www.oracle.com/security-alerts/cpuapr2026.html
- NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2026-34315
- CISA KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
- Primary write-up: How to Fix CVE-2026-34292
*Part of the Oracle WebLogic Server bundle. Full procedure at CVE-2026-34292.*