CVE-2026-15822

HIGHCVSS 7.5/10EPSS 0.33%

Last modified

CVE-2026-15822 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.33% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.33%

24.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
IbmDatapower Gateway>= 10.5.0.0, < 10.5.0.23
IbmDatapower Gateway>= 10.6.0.0, < 10.6.0.11
IbmDatapower Gateway>= 10.6.1.0, < 11.0.0.3
IbmDatapower Gateway>= 11.0.0.0, < 11.0.0.3

References

Timeline

Published
Last Modified
Status
Analyzed

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.
How severe is CVE-2026-15822?
CVE-2026-15822 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.
How do I fix CVE-2026-15822?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST