Security readout for executives and security teams
Plain-English summary
CVE-2026-21979 affects Oracle Planning and Budgeting Cloud Service, specifically the EPM Agent in supported version 25.04.07. An attacker who already has high privileges on the underlying infrastructure, and can get another person to interact, may gain unauthorized access to critical or all accessible service data.
Executive priority
Treat as a targeted confidentiality risk, not a broad internet-scale emergency. Prioritize updating affected EPM Agent deployments because successful exploitation could expose critical planning and budgeting data, but the attack requires existing high privileges and user interaction.
Technical view
Oracle rates this CVSS 3.1 score 4.2: AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N. The issue is locally exploitable, requires high privileges and user interaction, and impacts confidentiality only. Oracle’s note says to update EPM Agent and references its EPM Agent download documentation.
Likely exposure
Exposure appears limited to environments running Oracle Planning and Budgeting Cloud Service version 25.04.07 with EPM Agent. Risk is highest where infrastructure administrators or highly privileged accounts have broad access and where EPM Agent is not updated.
Exploitation context
The provided sources do not report active exploitation, and this CVE is not listed as KEV in the bundle. Exploitation requires local infrastructure access, high privileges, and human interaction from someone other than the attacker.
Researcher notes
No CWE is listed in the provided data. The vulnerability is scoped to the EPM Agent component. Available evidence does not describe the bug class, exploit method, or indicators of compromise. Avoid assuming broader Oracle Hyperion or EPM product exposure beyond the named service and version.
Mitigation direction
- Review Oracle’s January 2026 Critical Patch Update advisory.
- Update EPM Agent as directed by Oracle documentation.
- Prioritize environments running version 25.04.07.
- Limit and audit high-privilege infrastructure access.
- Monitor Oracle guidance for any revised remediation instructions.
Validation and detection
- Inventory Oracle Planning and Budgeting Cloud Service deployments.
- Confirm whether EPM Agent version 25.04.07 is present.
- Verify the EPM Agent update has been applied.
- Review privileged infrastructure access logs for anomalies.
- Document compensating controls if update timing is delayed.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CVE-2026-21979 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.2 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N0.63.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.2MediumVector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- Oracle AdvisoryCVE reference · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.