Hcm Common ArchitectureApplication · Oracle

CVE-2026-34297

HIGH · 7.5 CVSS v3.1 Published 2026-04-21

Fix available

A fix is available. Upgrade to after 12.2.15 or later.

See remediation →

84/100

Remediation priority · High

Remotely reachable No privileges Zero-click

Official description

NVD · unedited

Vulnerability in the Oracle HCM Common Architecture product of Oracle E-Business Suite (component: Knowledge Integration). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle HCM Common Architecture. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle HCM Common Architecture accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

Technical summary

dbcve analysis · high confidence

Unauthenticated remote vulnerability in Oracle HCM Common Architecture's Knowledge Integration component allows attackers with network access via HTTP to gain unauthorized access to sensitive data. The flaw affects Oracle E-Business Suite versions 12.2.3 through 12.2.15, with high confidentiality impact due to the nature of HCM (Human Capital Management) data potentially exposed.

MitigationApply Oracle Critical Patch Updates for Oracle E-Business Suite when available; alternatively, restrict network access to the affected HTTP endpoints via firewall or network segmentation, and deploy a WAF with rules to detect and block attempts to exploit knowledge integration endpoints.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions

NVD · CPE data

Hcm Common ArchitectureApplication

Affected:>= 12.2.3, <= 12.2.15

CVSS breakdown

From the vector

Attack vector: Network
Complexity: Low
Privileges: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: None
Availability: None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Am I affected?

dbcve checks

Work through these to decide whether this CVE applies to you.

Identify Oracle E-Business Suite installation

Query the Oracle database for the version using SQL: SELECT version FROM fnd_product_groups WHERE product_group_name LIKE '%E-Business Suite%'; or check the Oracle Applications Manager interface for version information.

Affected if The version is not returned or the product is not present
Verify version falls within affected range

Compare the installed version number to the affected range 12.2.3 through 12.2.15. Use adident Utility: adident Header $APPL_TOP/admin/adsplice.sql or check the OA Framework about page.

Affected if Installed version is 12.2.3, 12.2.4, 12.2.5, 12.2.6, 12.2.7, 12.2.8, 12.2.9, 12.2.10, 12.2.11, 12.2.12, 12.2.13, 12.2.14, or 12.2.15
Confirm HCM Knowledge Integration component is configured

Check if the HCM Common Architecture Knowledge Integration module is enabled by querying: SELECT parameter_name FROM icx_parameters WHERE parameter_name LIKE '%KNOWLEDGE%'; or inspect the Oracle Applications Manager > Oracle HCM Common Architecture > Knowledge Integration pages.

Affected if The Knowledge Integration component is present and enabled in the Oracle E-Business Suite instance
Assess HTTP network exposure

Review web server configuration (OHS/Oracle HTTP Server) for exposed endpoints under $ORACLE_HOME/config/OHS/.../httpd.conf, and check if port 8000/8080/443 is accessible from untrusted networks. Use: netstat -an | grep -E '8000|8080' to verify listening ports.

Affected if HTTP endpoints for Knowledge Integration are reachable from outside the trusted network or the internet

User is affected if they run Oracle E-Business Suite version 12.2.3 through 12.2.15 with the HCM Knowledge Integration component enabled and exposed over HTTP to untrusted networks.

Generated from the published advisory. Verify against your own configuration.

Remediation

dbcve · scoped

Upgrade available Upgrade to a release after 12.2.15

Interim mitigation

Apply Oracle Critical Patch Updates for Oracle E-Business Suite when available; alternatively, restrict network access to the affected HTTP endpoints via firewall or network segmentation, and deploy a WAF with rules to detect and block attempts to exploit knowledge integration endpoints.

Recommended fix Moderate confidence

Apply the Oracle E-Business Suite Critical Patch Update (CPU) that includes the fix for CVE-2026-34297. Oracle CPUs are quarterly releases; consult Oracle Support for the specific patch number.

1. Subscribe to Oracle Critical Patch Updates (CPUs) at https://www.oracle.com/security-alerts/ to receive future security patches.
2. Apply the latest Oracle E-Business Suite Critical Patch Update that addresses this vulnerability.
3. After patching, verify that the Knowledge Integration component no longer exposes sensitive information.
4. Review Oracle's April 2026 Critical Patch Update documentation for specific patch details for CVE-2026-34297.
5. If direct patching is not immediately possible, restrict network access to Oracle HCM Common Architecture endpoints using firewall rules or web application firewall (WAF) configurations.

Caveat Oracle CPU patches are cumulative and generally low-risk, but should be tested in a non-production environment first due to the complex nature of E-Business Suite applications.

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Hcm Common Architecture Scoped from the published advisory

Consultation4.0 h
Implementation8.0 h
Testing12.0 h
Review / QA4.0 h

28.0 hours of engineering $4,760

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Scan for this in your stack

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References

Primary sources

www.oracle.comVendor Advisory
nvd.nist.govNVD record

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2026-34297 in production — separate from our analysis above.

Notes0 Guidelines

Know something about CVE-2026-34297?

The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.

The version that genuinely resolved it — not the one the vendor claimed
A config change or rule that shut the vector down
A gotcha in the upgrade path that cost you an afternoon

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here

Verified mitigations, workarounds, and config changes
Version or environment caveats, and links to real fixes
No weaponised exploit code, or anything meant to cause harm
No spam, self-promotion, credentials, or personal data

At a glance

A fix existsUpgrade to after 12.2.15 or later

Severity 7.5 High

Exploit likelihood EPSS, next 30 days 0.3%

Affects: Hcm Common Architecture

Remediation

A high-priority fix

Fix this in Hcm Common Architecture 28 hrs · Moderate

Typical engagement from $4,760

Get a fix See the full breakdown ↓

A high-priority vulnerability. Send your environment and a specialist will scope CVE-2026-34297 and return a fixed quote and timeline.

You’ll deal with our team directly and deploy the reviewed fix to staging first — never straight to production.

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

Check your environment

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

Scan for this in your stack

References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Practitioner notes

No notes yet

Official description

Technical summary

Affected products & versions

CVSS breakdown

Am I affected?

Remediation

References