CVE-2026-15822: datapower gateway — Fix

Description

IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 could allow a remote attacker to cause a denial of service due to improper memoization of GraphQL fragment spreads.

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CVSS v3.1 Score

7.5

HIGH

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

EPSS — Exploit Prediction

0.0033

Probability of exploitation

0.26%

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-405 CWE-405

Affected Products

Vendor	Product	Versions
ibm	datapower_gateway	10.5.0.0 — 10.5.0.23
ibm	datapower_gateway	10.6.0.0 — 10.6.0.11
ibm	datapower_gateway	10.6.1.0 — 11.0.0.3
ibm	datapower_gateway	11.0.0.0 — 11.0.0.3

References

Advisories & Patches

https://www.ibm.com/support/pages/node/7289775

Frequently Asked Questions

What is CVE-2026-15822? +

IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 could allow a remote attacker to cause a denial of service due to improper memoization of GraphQL fragment spreads. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-15822? +

CVE-2026-15822 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0033, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-15822? +

CVE-2026-15822 affects products from ibm, specifically: datapower_gateway. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-15822? +

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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