CVE-2026-6938

IBM® Db2® is vulnerable to authorization bypass when uploading to a remote object storage path with a special query

Published May 27, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
IBM Db2 12.1.0 through 12.1.4 is vulnerable to authorization bypass when uploading to a remote object storage path with a special query.

Remediation

Vendor Solution

Customers running any vulnerable affected level of an affected Program, V12.1, can download the special build containing the interim fix for this issue from Fix Central. These special builds are available based on the most recent level for each impacted release: V12.1.4. They can be applied to any affected level of the appropriate release to remediate this vulnerability. ReleaseFixed in mod packAPARDownload URL V12.1 TBD https://www.ibm.com/support/pages/node/7267513 IBM does not disclose key Db2 functionality nor replication steps for a vulnerability to avoid providing too much information to any potential malicious attacker. IBM does not want to enable a malicious attacker with sufficient knowledge to craft an exploit of the vulnerability.


Vendor Workaround

Use LOAD COPY command db2 load from test.del of del replace into t1 copy yes to 'DB2REMOTE://'. Instead of the LOAD COPY via the regvar DB2_LOAD_COPY_NO_OVERRIDE

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Ibm aix
Linux
Linux linux Kernel
CPEs cpe:2.3:a:ibm:db2:*:*:*:*:-:*:*:*
cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
Vendors & Products Ibm aix
Linux
Linux linux Kernel
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description IBM Db2 12.1.0 through 12.1.4 is vulnerable to authorization bypass when uploading to a remote object storage path with a special query.
Title IBM® Db2® is vulnerable to authorization bypass when uploading to a remote object storage path with a special query
First Time appeared Ibm
Ibm db2
Weaknesses CWE-285
CPEs cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:12.1.4:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm db2
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
May 27, 2026, 2:45 PM
Reserved
Apr 23, 2026, 7:16 PM
Status
Analyzed
Published
May 27, 2026, 2:17 PM
Modified
Oct 14, 2026, 8:10 PM