EUVD-2026-71471
GHSA-69vg-6775-v3qm
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Network-exploitable via XML submission but AC:H reflects non-trivial parser trigger; PR:L enforces authentication; confidentiality only, no write or DoS impact.
Primary rating from Vendor (ibm).
CVSS VectorNVD
Lifecycle Timeline
2DescriptionNVD
IBM App Connect Enterprise 13.0.1.0 through 13.0.8.1, and 12.0.1.0 through 12.0.12.28 and IBM Integration Bus for z/OS 10.1.0.0 through 10.1.0.7 could allow a remote authenticated attacker to obtain sensitive information due to an XML external entity (XXE) injection.
AnalysisAI
XML External Entity (XXE) injection in IBM App Connect Enterprise and IBM Integration Bus for z/OS enables authenticated remote attackers to exfiltrate sensitive server-side information. Affected versions span IBM App Connect Enterprise 12.x through 13.x and IBM Integration Bus for z/OS 10.1.x. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated attacker with at least low-privilege credentials on the IBM App Connect Enterprise or IIB z/OS instance (PR:L per CVSS vector). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N encodes a network-accessible vulnerability requiring authenticated access (PR:L) and high attack complexity (AC:H), which substantially constrains real-world risk despite the high confidentiality impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | A vendor-released patch is available from IBM; consult the advisory at https://www.ibm.com/support/pages/node/7286372 for the specific fix pack or interim fix applicable to each affected version line (13.x, 12.x, and IIB z/OS 10.1.x). … Detailed patch versions, workarounds, and compensating controls in full report. |
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