EUVD-2026-78054
GHSA-f5h9-pfrj-8wrc
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Accepting IBM's own vector: network-reachable, no credentials required, high integrity impact via arbitrary file write, no confidentiality or availability impact asserted.
Primary rating from Vendor (ibm).
CVSS VectorVendor: ibm
Lifecycle Timeline
2DescriptionCVE.org
IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow a remote attacker to perform an arbitrary file write due to improper validation of file paths.
AnalysisAI
Arbitrary file write in IBM Db2 11.5.x and 12.1.x allows a remote unauthenticated attacker to write files to attacker-controlled paths on the database server due to improper validation of file path inputs. The vulnerability carries CWE-22 (Path Traversal) and was disclosed by IBM with a patch available at their support portal. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Based on IBM's CVSS vector (PR:N/UI:N/AC:L), exploitation requires no authentication and no user interaction - the attacker need only reach the Db2 network listener. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | IBM's own CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N) scores this at 7.5 and implies fully unauthenticated, low-complexity remote exploitation - a striking claim for an enterprise database. … 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 | IBM has released a patch per the vendor advisory at https://www.ibm.com/support/pages/node/7286998; however, no specific fixed version number is provided in the available intelligence - customers should consult that advisory directly for the exact iFix or fixpack identifier. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify and inventory all IBM Db2 11.5.x and 12.1.x instances in your environment, assess their network exposure, and implement network-level access controls to restrict Db2 service connectivity to trusted internal systems only. …
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Same weakness CWE-22 – Path Traversal
View allSame technique Path Traversal
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External POC / Exploit Code
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