CVE-2026-1577
IBM® Db2® is vulnerable to a denial of service with a specially crafted query involving multiple subqueries
Severity Score
6.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Track
*SSVC
Descriptions
IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in data query logic.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Track
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2026-01-28 CVE Reserved
- 2026-04-30 CVE Published
- 2026-05-06 EPSS Updated
- 2026-05-10 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-20: Improper Input Validation
- CWE-1284: Improper Validation of Specified Quantity in Input
CAPEC
References (1)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.ibm.com/support/pages/node/7269434 | 2026-05-10 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Ibm Search vendor "Ibm" | Db2 Search vendor "Ibm" for product "Db2" | >= 11.5.0 <= 11.5.9 Search vendor "Ibm" for product "Db2" and version " >= 11.5.0 <= 11.5.9" | linux |
Affected
| ||||||
| Ibm Search vendor "Ibm" | Db2 Search vendor "Ibm" for product "Db2" | >= 11.5.0 <= 11.5.9 Search vendor "Ibm" for product "Db2" and version " >= 11.5.0 <= 11.5.9" | unix |
Affected
| ||||||
| Ibm Search vendor "Ibm" | Db2 Search vendor "Ibm" for product "Db2" | >= 11.5.0 <= 11.5.9 Search vendor "Ibm" for product "Db2" and version " >= 11.5.0 <= 11.5.9" | windows |
Affected
| ||||||
| Ibm Search vendor "Ibm" | Db2 Search vendor "Ibm" for product "Db2" | >= 12.1.0 <= 12.1.4 Search vendor "Ibm" for product "Db2" and version " >= 12.1.0 <= 12.1.4" | linux |
Affected
| ||||||
| Ibm Search vendor "Ibm" | Db2 Search vendor "Ibm" for product "Db2" | >= 12.1.0 <= 12.1.4 Search vendor "Ibm" for product "Db2" and version " >= 12.1.0 <= 12.1.4" | unix |
Affected
| ||||||
| Ibm Search vendor "Ibm" | Db2 Search vendor "Ibm" for product "Db2" | >= 12.1.0 <= 12.1.4 Search vendor "Ibm" for product "Db2" and version " >= 12.1.0 <= 12.1.4" | windows |
Affected
| ||||||