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IBM DevOps Deploy EUVDEUVD-2026-40392

| CVE-2026-12084 HIGH
Permissive Cross-domain Security Policy with Untrusted Domains (CWE-942)
2026-06-30 psirt@us.ibm.com GHSA-fq2g-wf56-3prg
7.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
vuln.today AI
7.1 HIGH

CORS abuse is browser-mediated so an authenticated victim must interact (UI:R); attacker is unauthenticated (PR:N); confidentiality high plus limited 'privileged actions' give C:H/I:L.

3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from NVD.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

6
Analysis Updated
Jul 02, 2026 - 19:00 vuln.today
v3 (cvss_changed)
Analysis Updated
Jul 02, 2026 - 18:59 vuln.today
v2 (cvss_changed)
Re-analysis Queued
Jul 02, 2026 - 18:52 vuln.today
cvss_changed
Severity Changed
Jul 02, 2026 - 18:52 NVD
MEDIUM HIGH
CVSS changed
Jul 02, 2026 - 18:52 NVD
5.4 (MEDIUM) 7.5 (HIGH)
Analysis Generated
Jun 30, 2026 - 20:37 vuln.today

DescriptionNVD

IBM UCD - IBM DevOps Deploy 8.1 through 8.1.2.6, and 8.2 through 8.2.1.0 uses Cross-Origin Resource Sharing (CORS) which could allow an attacker to carry out privileged actions and retrieve sensitive information as the domain name is not being limited to only trusted domains.

AnalysisAI

Sensitive information disclosure and unauthorized privileged actions in IBM DevOps Deploy (formerly UrbanCode Deploy/UCD) versions 8.1.0 through 8.1.2.6 and 8.2.0 through 8.2.1.0 stem from an overly permissive Cross-Origin Resource Sharing (CORS) policy that fails to restrict requests to trusted domains. An attacker who lures an authenticated user to a malicious web page can leverage the victim's session across origins to read confidential data and invoke privileged operations. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify exposed DevOps Deploy console
Delivery
Send phishing link to authenticated operator
Exploit
Victim browser loads malicious page
Execution
Cross-origin requests accepted by CORS policy
Impact
Read sensitive data and invoke privileged API actions

Vulnerability AssessmentAI

Exploitation Exploitation requires the affected component's misconfigured CORS policy (present by default in DevOps Deploy 8.1.0-8.1.2.6 and 8.2.0-8.2.1.0) to reflect or trust untrusted origins, and - because the attack is browser-mediated - a currently authenticated DevOps Deploy user must visit or interact with an attacker-controlled web page while their session is valid. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Signals are broadly consistent toward moderate, not urgent, risk. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker crafts a malicious web page and sends a phishing link to a DevOps Deploy operator who has an active authenticated console session. When the operator opens the page, embedded JavaScript issues cross-origin requests to the DevOps Deploy API; because the CORS policy accepts the attacker's origin, the browser returns the authenticated responses, letting the attacker exfiltrate sensitive deployment data and trigger privileged actions under the victim's identity. …
Remediation Patch available per vendor advisory: consult IBM Support advisory https://www.ibm.com/support/pages/node/7277575 and apply the fixed release for your branch (an exact fixed version is not stated in the available data and should be taken directly from the IBM advisory rather than assumed). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: restrict network access to IBM DevOps Deploy to internal IP ranges only; audit current user sessions; distribute security awareness messaging on phishing risks targeting deployment tool users. …

Sign in for detailed remediation steps and compensating controls.

Threat intelligence, references, and detailed analysis are available after sign-in.

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EUVD-2026-40392 vulnerability details – vuln.today

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