CVE-2026-70926: Vulnerability in the Oracle Workflow product of Oracle E-Business Suite (component: Workflow Notification M...
Vulnerability in the Oracle Workflow product of Oracle E-Business Suite (component: Workflow Notification Mailer). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows unauthenticated attacker with network access via SMTP to compromise Oracle Workflow. Successful attacks of this vulnerability can result in takeover of Oracle Workflow. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Security readout for executives and security teams
Plain-English summary
An unauthenticated attacker who can reach the Workflow Notification Mailer through SMTP may take over Oracle Workflow. Because compromise could affect confidentiality, integrity, and availability across a business-critical Oracle E-Business Suite workflow environment, affected deployments require urgent attention.
Executive priority
Treat this as an immediate remediation priority. First identify reachable affected systems, constrain SMTP access, and follow Oracle's current guidance. Consider incident investigation where exposure existed, but do not assume compromise without evidence.
Technical view
CVE-2026-70926 affects Oracle E-Business Suite Oracle Workflow Notification Mailer versions 12.2.3 through 12.2.15. It is remotely reachable through SMTP, requires no privileges or user interaction, and is classified under CWE-306. Successful exploitation can take over Oracle Workflow. The CVSS 3.1 score is 9.8.
Likely exposure
Exposure is likely where Oracle E-Business Suite 12.2.3–12.2.15 runs Workflow Notification Mailer and an attacker can reach its SMTP path. The bundle does not establish whether every affected deployment exposes that path externally.
Exploitation context
Oracle describes the issue as easily exploitable without authentication. However, the source bundle reports that it is not in CISA KEV and provides no evidence of active exploitation, public exploit availability, or observed attacks.
Researcher notes
The supplied evidence establishes remote, unauthenticated, low-complexity compromise with complete confidentiality, integrity, and availability impact. It does not provide a root-cause narrative beyond CWE-306, technical indicators, patch identifiers, exploit details, or proof of exploitation. Validation should therefore emphasize version, feature enablement, SMTP reachability, remediation status, and log review.
Mitigation direction
Identify affected Oracle E-Business Suite and Workflow Notification Mailer deployments immediately.
Check Oracle's advisory for the approved patch or remediation; none is specified in the supplied bundle.
Restrict SMTP reachability to trusted mail infrastructure while remediation is pending.
Apply vendor remediation through normal change controls, prioritizing externally reachable systems.
Preserve relevant SMTP and Oracle Workflow logs for investigation.
Validation and detection
Confirm installed Oracle E-Business Suite versions and whether Workflow Notification Mailer is enabled.
Map every network route capable of reaching the mailer through SMTP.
Verify vendor remediation status against Oracle's advisory for each affected instance.
Review SMTP and Workflow logs for unexplained access or configuration changes.
Reassess SMTP exposure after remediation and confirm restrictions remain effective.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
cwe · medium confidence lookup
CWE-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
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.
1CVSS vectors
3Timeline events
1ADP providers
2Source links
SSVC decision data
CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: total
CVSS vector scores
1 official score
We 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.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-306 · source CWE mapping
Missing Authentication for Critical Functionality
Missing Authentication for Critical Functionality represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.