Medium severity · published Aug 19, 2026
CVE-2026-16440
In Eclipse OpenJ9 versions up to 0.60, a crafted .class file with deeply nested annotations causes a segmentation fault
5.7
CVSS
0.3%
EPSS
No
On KEV
Description
In Eclipse OpenJ9 versions up to 0.60, a crafted .class file with deeply nested annotations causes a segmentation fault.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EO
Eclipse OpenJ9 · Eclipse Foundation
0.8.0 before 0.60 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-16440
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-16440
github.com
https://github.com/eclipse-openj9/openj9/pull/24572
github.com
https://github.com/eclipse-openj9/openj9/security/advisories/GHSA-ch6r-v7rg-4jqx
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