Critical severity · published Mar 17, 2026
CVE-2026-3856
IBM Db2 Recovery Expert Missing Integrity Check
9.1
CVSS
0.2%
EPSS
No
On KEV
Description
IBM Db2 Recovery Expert for Linux, UNIX and Windows 5.5 IF 2 could allow an attacker to modify or corrupt data due to an insecure mechanism used for verifying the integrity of the data during transmission.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DR
Db2 Recovery Expert · IBM
5.5 IF 2 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-3856
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-3856
Patch
https://www.ibm.com/support/pages/node/7266272
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