CVE-2026-15955 IBM Db2 - Unrestricted File Upload

IBM Db2 11.5.0 through 11.5.9 and 12.1.0 through 12.1.5 contain an unrestricted file write vulnerability caused by improper validation of file paths, letting remote attackers write arbitrary files, exploit requires network access.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.40% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Unrestricted File Upload
Impact
File System Write
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Published
14 September 2026
Updated
15 October 2026
Weakness
CWE-22

Vendor fix

Update to a version later than 11.5.9 and 12.1.5 or the latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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