CVE-2026-1718

HIGH
Published May 27, 2026 Modified Jun 2, 2026 CWE-770

Description

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to a denial of service with a specially crafted query when autonomous transactions are enabled.

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CVSS v3.1 Score

7.1
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

EPSS — Exploit Prediction

0.0038
Probability of exploitation
0.29%
Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-770 CWE-770

Affected Products

Vendor Product
ibm db2
ibm db2
ibm linux_on_ibm_z
linux linux_kernel

References

Frequently Asked Questions

What is CVE-2026-1718? +
IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to a denial of service with a specially crafted query when autonomous transactions are enabled. It has a CVSS v3.1 base score of 7.1 (HIGH).
How severe is CVE-2026-1718? +
CVE-2026-1718 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0038, placing it in the 0th percentile for exploitation probability.
What products are affected by CVE-2026-1718? +
CVE-2026-1718 affects products from ibm, linux, specifically: db2, linux_kernel, linux_on_ibm_z. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2026-1718? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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